diff --git a/akka-http/pom.xml b/akka-http/pom.xml
index e276ef1aa4..c0b460dd8e 100644
--- a/akka-http/pom.xml
+++ b/akka-http/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-         xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>akka-http</artifactId>
     <name>akka-http</name>
diff --git a/akka-streams/pom.xml b/akka-streams/pom.xml
index 967556d976..f87f9dd667 100644
--- a/akka-streams/pom.xml
+++ b/akka-streams/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>akka-streams</artifactId>
     <name>akka-streams</name>
diff --git a/algorithms-genetic/pom.xml b/algorithms-genetic/pom.xml
index eeccb89d6f..942acd69c6 100644
--- a/algorithms-genetic/pom.xml
+++ b/algorithms-genetic/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>algorithms-genetic</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/algorithms-miscellaneous-1/pom.xml b/algorithms-miscellaneous-1/pom.xml
index b7c32bda43..d9ecbd78e8 100644
--- a/algorithms-miscellaneous-1/pom.xml
+++ b/algorithms-miscellaneous-1/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>algorithms-miscellaneous-1</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/algorithms-miscellaneous-2/pom.xml b/algorithms-miscellaneous-2/pom.xml
index e4f4e5c2ea..7144a7a391 100644
--- a/algorithms-miscellaneous-2/pom.xml
+++ b/algorithms-miscellaneous-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>algorithms-miscellaneous-2</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/algorithms-miscellaneous-3/pom.xml b/algorithms-miscellaneous-3/pom.xml
index 673ac0121d..877e8bfefa 100644
--- a/algorithms-miscellaneous-3/pom.xml
+++ b/algorithms-miscellaneous-3/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>algorithms-miscellaneous-3</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/algorithms-miscellaneous-4/pom.xml b/algorithms-miscellaneous-4/pom.xml
index 682234ad07..50fef5ff71 100644
--- a/algorithms-miscellaneous-4/pom.xml
+++ b/algorithms-miscellaneous-4/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>algorithms-miscellaneous-4</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/algorithms-miscellaneous-5/pom.xml b/algorithms-miscellaneous-5/pom.xml
index 2799c39971..f2db71a6da 100644
--- a/algorithms-miscellaneous-5/pom.xml
+++ b/algorithms-miscellaneous-5/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>algorithms-miscellaneous-5</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/algorithms-searching/pom.xml b/algorithms-searching/pom.xml
index da32874a18..80443155ff 100644
--- a/algorithms-searching/pom.xml
+++ b/algorithms-searching/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>algorithms-searching</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/algorithms-sorting-2/pom.xml b/algorithms-sorting-2/pom.xml
index d862c91430..529474afda 100644
--- a/algorithms-sorting-2/pom.xml
+++ b/algorithms-sorting-2/pom.xml
@@ -1,5 +1,7 @@
-<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>algorithms-sorting-2</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/algorithms-sorting/pom.xml b/algorithms-sorting/pom.xml
index 84856235d9..2de8eed04e 100644
--- a/algorithms-sorting/pom.xml
+++ b/algorithms-sorting/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>algorithms-sorting</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/animal-sniffer-mvn-plugin/pom.xml b/animal-sniffer-mvn-plugin/pom.xml
index d04581aaac..82726aa7bc 100644
--- a/animal-sniffer-mvn-plugin/pom.xml
+++ b/animal-sniffer-mvn-plugin/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>animal-sniffer-mvn-plugin</artifactId>
     <version>1.0-SNAPSHOT</version>
@@ -44,5 +46,5 @@
         <animal-sniffer-maven-plugin.version>1.16</animal-sniffer-maven-plugin.version>
         <org.codehaus.mojo.signature.java16.version>1.0</org.codehaus.mojo.signature.java16.version>
     </properties>
-    
+
 </project>
\ No newline at end of file
diff --git a/annotations/annotation-processing/pom.xml b/annotations/annotation-processing/pom.xml
index 645bbd7a0f..f94cee04f0 100644
--- a/annotations/annotation-processing/pom.xml
+++ b/annotations/annotation-processing/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>annotation-processing</artifactId>
     <name>annotation-processing</name>
diff --git a/annotations/annotation-user/pom.xml b/annotations/annotation-user/pom.xml
index ae47e19f05..f38e93528d 100644
--- a/annotations/annotation-user/pom.xml
+++ b/annotations/annotation-user/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>annotation-user</artifactId>
     <name>annotation-user</name>
diff --git a/annotations/pom.xml b/annotations/pom.xml
index 41e1e8735b..c3c23cf5ab 100644
--- a/annotations/pom.xml
+++ b/annotations/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>annotations</artifactId>
     <name>annotations</name>
diff --git a/antlr/pom.xml b/antlr/pom.xml
index 641382d450..c8e48706fb 100644
--- a/antlr/pom.xml
+++ b/antlr/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>antlr</artifactId>
     <name>antlr</name>
@@ -58,5 +60,5 @@
         <antlr.version>4.7.1</antlr.version>
         <mojo.version>3.0.0</mojo.version>
     </properties>
-    
+
 </project>
\ No newline at end of file
diff --git a/apache-avro/pom.xml b/apache-avro/pom.xml
index 35898711c8..ad32ebb702 100644
--- a/apache-avro/pom.xml
+++ b/apache-avro/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-avro</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/apache-bval/pom.xml b/apache-bval/pom.xml
index 4254242e55..49484f4959 100644
--- a/apache-bval/pom.xml
+++ b/apache-bval/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-bval</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/apache-curator/pom.xml b/apache-curator/pom.xml
index ea8fb358ad..5b249127d9 100644
--- a/apache-curator/pom.xml
+++ b/apache-curator/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-curator</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/apache-cxf/cxf-aegis/pom.xml b/apache-cxf/cxf-aegis/pom.xml
index 6e6c5b093c..c10f019f82 100644
--- a/apache-cxf/cxf-aegis/pom.xml
+++ b/apache-cxf/cxf-aegis/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cxf-aegis</artifactId>
     <name>cxf-aegis</name>
diff --git a/apache-cxf/cxf-introduction/pom.xml b/apache-cxf/cxf-introduction/pom.xml
index 0572b01a9d..be604fa401 100644
--- a/apache-cxf/cxf-introduction/pom.xml
+++ b/apache-cxf/cxf-introduction/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cxf-introduction</artifactId>
     <name>cxf-introduction</name>
diff --git a/apache-cxf/cxf-jaxrs-implementation/pom.xml b/apache-cxf/cxf-jaxrs-implementation/pom.xml
index 37b81882bb..7b77969075 100644
--- a/apache-cxf/cxf-jaxrs-implementation/pom.xml
+++ b/apache-cxf/cxf-jaxrs-implementation/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cxf-jaxrs-implementation</artifactId>
     <name>cxf-jaxrs-implementation</name>
diff --git a/apache-cxf/cxf-spring/pom.xml b/apache-cxf/cxf-spring/pom.xml
index 01ee7d9411..f9581515b2 100644
--- a/apache-cxf/cxf-spring/pom.xml
+++ b/apache-cxf/cxf-spring/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cxf-spring</artifactId>
     <name>cxf-spring</name>
diff --git a/apache-cxf/pom.xml b/apache-cxf/pom.xml
index c993eff3a5..3d64000c2e 100644
--- a/apache-cxf/pom.xml
+++ b/apache-cxf/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-cxf</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/apache-cxf/sse-jaxrs/pom.xml b/apache-cxf/sse-jaxrs/pom.xml
index 89bd5d4191..5c46547b9a 100644
--- a/apache-cxf/sse-jaxrs/pom.xml
+++ b/apache-cxf/sse-jaxrs/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sse-jaxrs</artifactId>
     <name>sse-jaxrs</name>
diff --git a/apache-cxf/sse-jaxrs/sse-jaxrs-client/pom.xml b/apache-cxf/sse-jaxrs/sse-jaxrs-client/pom.xml
index 37a068003c..92a6165f04 100644
--- a/apache-cxf/sse-jaxrs/sse-jaxrs-client/pom.xml
+++ b/apache-cxf/sse-jaxrs/sse-jaxrs-client/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sse-jaxrs-client</artifactId>
     <name>sse-jaxrs-client</name>
diff --git a/apache-cxf/sse-jaxrs/sse-jaxrs-server/pom.xml b/apache-cxf/sse-jaxrs/sse-jaxrs-server/pom.xml
index 1d7ecdb58f..efebb328a2 100644
--- a/apache-cxf/sse-jaxrs/sse-jaxrs-server/pom.xml
+++ b/apache-cxf/sse-jaxrs/sse-jaxrs-server/pom.xml
@@ -1,12 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sse-jaxrs-server</artifactId>
     <name>sse-jaxrs-server</name>
     <packaging>war</packaging>
-    
+
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>sse-jaxrs</artifactId>
diff --git a/apache-fop/pom.xml b/apache-fop/pom.xml
index 41a6761eaf..fdcfe2c538 100644
--- a/apache-fop/pom.xml
+++ b/apache-fop/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-fop</artifactId>
     <version>0.1-SNAPSHOT</version>
diff --git a/apache-geode/pom.xml b/apache-geode/pom.xml
index 78c6390f80..fc5b253c01 100644
--- a/apache-geode/pom.xml
+++ b/apache-geode/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-geode</artifactId>
     <version>1.0-SNAPSHOT</version>
diff --git a/apache-meecrowave/pom.xml b/apache-meecrowave/pom.xml
index 9e79780e22..e046599be3 100644
--- a/apache-meecrowave/pom.xml
+++ b/apache-meecrowave/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-meecrowave</artifactId>
     <version>0.0.1</version>
diff --git a/apache-olingo/olingo2/pom.xml b/apache-olingo/olingo2/pom.xml
index 4689fa0ca9..3456d4f362 100644
--- a/apache-olingo/olingo2/pom.xml
+++ b/apache-olingo/olingo2/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.examples.olingo2</groupId>
     <artifactId>olingo2</artifactId>
diff --git a/apache-opennlp/pom.xml b/apache-opennlp/pom.xml
index 701d33c6fd..07ce14b4fd 100644
--- a/apache-opennlp/pom.xml
+++ b/apache-opennlp/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-opennlp</artifactId>
     <version>1.0-SNAPSHOT</version>
diff --git a/apache-poi/pom.xml b/apache-poi/pom.xml
index 333339ed33..eb72531787 100644
--- a/apache-poi/pom.xml
+++ b/apache-poi/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-poi</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/apache-pulsar/pom.xml b/apache-pulsar/pom.xml
index 206e1ab74d..568389f9f5 100644
--- a/apache-pulsar/pom.xml
+++ b/apache-pulsar/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.pulsar</groupId>
     <artifactId>apache-pulsar</artifactId>
diff --git a/apache-rocketmq/pom.xml b/apache-rocketmq/pom.xml
index f15dd0e61c..ba395ff054 100644
--- a/apache-rocketmq/pom.xml
+++ b/apache-rocketmq/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-rocketmq</artifactId>
     <version>1.0-SNAPSHOT</version>
diff --git a/apache-shiro/pom.xml b/apache-shiro/pom.xml
index 0458ba783f..d519ba42af 100644
--- a/apache-shiro/pom.xml
+++ b/apache-shiro/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-shiro</artifactId>
     <version>1.0-SNAPSHOT</version>
diff --git a/apache-solrj/pom.xml b/apache-solrj/pom.xml
index b25fd0fb04..165cd9571b 100644
--- a/apache-solrj/pom.xml
+++ b/apache-solrj/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-solrj</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/apache-spark/pom.xml b/apache-spark/pom.xml
index 59843adc71..27768d60fc 100644
--- a/apache-spark/pom.xml
+++ b/apache-spark/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-spark</artifactId>
     <version>1.0-SNAPSHOT</version>
diff --git a/apache-tapestry/pom.xml b/apache-tapestry/pom.xml
index a4124b07df..82dc34899f 100644
--- a/apache-tapestry/pom.xml
+++ b/apache-tapestry/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0">
+<project
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="http://maven.apache.org/POM/4.0.0">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung</groupId>
     <artifactId>apache-tapestry</artifactId>
@@ -9,9 +11,8 @@
     <packaging>war</packaging>
 
     <dependencies>
-        <!-- To set up an application with a database, change the artifactId below to
-             tapestry-hibernate, and add a dependency on your JDBC driver. You'll also
-             need to add Hibernate configuration files, such as hibernate.cfg.xml. -->
+        <!-- To set up an application with a database, change the artifactId below to tapestry-hibernate, 
+        and add a dependency on your JDBC driver. You'll also need to add Hibernate configuration files, such as hibernate.cfg.xml. -->
         <dependency>
             <groupId>org.apache.tapestry</groupId>
             <artifactId>tapestry-core</artifactId>
@@ -32,17 +33,10 @@
         </dependency>
 
         <!-- Uncomment this to add support for file uploads: -->
-        <!--
-         <dependency>
-            <groupId>org.apache.tapestry</groupId>
-            <artifactId>tapestry-upload</artifactId>
-            <version>${tapestry-release-version}</version>
-        </dependency>
-        -->
+        <!-- <dependency> <groupId>org.apache.tapestry</groupId> <artifactId>tapestry-upload</artifactId> <version>${tapestry-release-version}</version> </dependency> -->
 
-        <!-- A dependency on either JUnit or TestNG is required, or the surefire plugin (which runs the tests)
-will fail, preventing Maven from packaging the WAR. Tapestry includes a large number
-of testing facilities designed for use with TestNG (http://testng.org/), so it's recommended. -->
+        <!-- A dependency on either JUnit or TestNG is required, or the surefire plugin (which runs the tests) will fail, preventing Maven from packaging the WAR. Tapestry includes 
+            a large number of testing facilities designed for use with TestNG (http://testng.org/), so it's recommended. -->
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
@@ -57,8 +51,7 @@ of testing facilities designed for use with TestNG (http://testng.org/), so it's
             <scope>test</scope>
         </dependency>
 
-        <!-- Provided by the servlet container, but sometimes referenced in the application
-       code. -->
+        <!-- Provided by the servlet container, but sometimes referenced in the application code. -->
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>servlet-api</artifactId>
@@ -108,8 +101,7 @@ of testing facilities designed for use with TestNG (http://testng.org/), so it's
                 <configuration>
                     <!-- Log to the console. -->
                     <requestLog implementation="org.mortbay.jetty.NCSARequestLog">
-                        <!-- This doesn't do anything for Jetty, but is a workaround for a Maven bug
-                             that prevents the requestLog from being set. -->
+                        <!-- This doesn't do anything for Jetty, but is a workaround for a Maven bug that prevents the requestLog from being set. -->
                         <append>true</append>
                     </requestLog>
                     <systemProperties>
@@ -123,7 +115,7 @@ of testing facilities designed for use with TestNG (http://testng.org/), so it's
         </plugins>
     </build>
 
-    <reporting/>
+    <reporting />
 
     <repositories>
         <repository>
@@ -131,8 +123,7 @@ of testing facilities designed for use with TestNG (http://testng.org/), so it's
             <url>http://repository.jboss.org/nexus/content/groups/public/</url>
         </repository>
 
-        <!-- This repository is only needed when the Tapestry version is a preview release, rather
-             than a final release. -->
+        <!-- This repository is only needed when the Tapestry version is a preview release, rather than a final release. -->
         <repository>
             <id>apache-staging</id>
             <url>https://repository.apache.org/content/groups/staging/</url>
diff --git a/apache-thrift/pom.xml b/apache-thrift/pom.xml
index 409467ccc5..6d079c8c28 100644
--- a/apache-thrift/pom.xml
+++ b/apache-thrift/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-thrift</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/apache-tika/pom.xml b/apache-tika/pom.xml
index 24c904aec3..a2c3a32820 100644
--- a/apache-tika/pom.xml
+++ b/apache-tika/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-tika</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/apache-velocity/pom.xml b/apache-velocity/pom.xml
index 61d7e74498..806b36237d 100644
--- a/apache-velocity/pom.xml
+++ b/apache-velocity/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-velocity</artifactId>
     <version>0.1-SNAPSHOT</version>
diff --git a/apache-zookeeper/pom.xml b/apache-zookeeper/pom.xml
index 0bab6cded6..f441848f70 100644
--- a/apache-zookeeper/pom.xml
+++ b/apache-zookeeper/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-zookeeper</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/asciidoctor/pom.xml b/asciidoctor/pom.xml
index 5421df91be..5b34f19bbb 100644
--- a/asciidoctor/pom.xml
+++ b/asciidoctor/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>asciidoctor</artifactId>
     <name>asciidoctor</name>
diff --git a/asm/pom.xml b/asm/pom.xml
index 77dbab964c..f4689de8e0 100644
--- a/asm/pom.xml
+++ b/asm/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.examples</groupId>
     <artifactId>asm</artifactId>
diff --git a/atomix/pom.xml b/atomix/pom.xml
index 7821ef26d7..53c7a6c0ba 100644
--- a/atomix/pom.xml
+++ b/atomix/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.atomix.io</groupId>
     <artifactId>atomix</artifactId>
diff --git a/aws-lambda/pom.xml b/aws-lambda/pom.xml
index 12be77baef..e1d2c7df27 100644
--- a/aws-lambda/pom.xml
+++ b/aws-lambda/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>aws-lambda</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/aws-reactive/pom.xml b/aws-reactive/pom.xml
index 046825130a..950b3f373a 100644
--- a/aws-reactive/pom.xml
+++ b/aws-reactive/pom.xml
@@ -1,107 +1,108 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
     </parent>
-	
-	<artifactId>aws-reactive</artifactId>
-	<version>0.0.1-SNAPSHOT</version>
-	<name>aws-reactive</name>
-	<description>AWS Reactive Sample</description>
 
-	<properties>
-		<java.version>1.8</java.version>
+    <artifactId>aws-reactive</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>aws-reactive</name>
+    <description>AWS Reactive Sample</description>
+
+    <properties>
+        <java.version>1.8</java.version>
         <spring.version>2.2.1.RELEASE</spring.version>
         <awssdk.version>2.10.27</awssdk.version>
-	</properties>
+    </properties>
 
-	<dependencyManagement>
-		<dependencies>
+    <dependencyManagement>
+        <dependencies>
 
-			<dependency>
-				<!-- Import dependency management from Spring Boot -->
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-dependencies</artifactId>
-				<version>${spring.version}</version>
-				<type>pom</type>
-				<scope>import</scope>
-			</dependency>
+            <dependency>
+                <!-- Import dependency management from Spring Boot -->
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>${spring.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
 
-			<dependency>
-				<groupId>software.amazon.awssdk</groupId>
-				<artifactId>bom</artifactId>
-				<version>${awssdk.version}</version>
-				<type>pom</type>
-				<scope>import</scope>
-			</dependency>
-		</dependencies>
-	</dependencyManagement>
+            <dependency>
+                <groupId>software.amazon.awssdk</groupId>
+                <artifactId>bom</artifactId>
+                <version>${awssdk.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
 
-	<dependencies>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-webflux</artifactId>
-		</dependency>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-webflux</artifactId>
+        </dependency>
 
-		<dependency>
-			<groupId>software.amazon.awssdk</groupId>
-			<artifactId>s3</artifactId>
-			<scope>compile</scope>
-		</dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>s3</artifactId>
+            <scope>compile</scope>
+        </dependency>
 
-		<dependency>
-			<artifactId>netty-nio-client</artifactId>
-			<groupId>software.amazon.awssdk</groupId>
-			<scope>compile</scope>
-		</dependency>
+        <dependency>
+            <artifactId>netty-nio-client</artifactId>
+            <groupId>software.amazon.awssdk</groupId>
+            <scope>compile</scope>
+        </dependency>
 
 
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>org.junit.vintage</groupId>
-					<artifactId>junit-vintage-engine</artifactId>
-				</exclusion>
-			</exclusions>
-		</dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.junit.vintage</groupId>
+                    <artifactId>junit-vintage-engine</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
 
 
-		<dependency>
-			<groupId>io.projectreactor</groupId>
-			<artifactId>reactor-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-devtools</artifactId>
-			<scope>runtime</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-configuration-processor</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.projectlombok</groupId>
-			<artifactId>lombok</artifactId>
-		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>io.projectreactor</groupId>
+            <artifactId>reactor-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-configuration-processor</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+    </dependencies>
 
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-			</plugin>
-		</plugins>
-	</build>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
 
 </project>
diff --git a/aws/pom.xml b/aws/pom.xml
index 19057d48e9..be0cdfdd43 100644
--- a/aws/pom.xml
+++ b/aws/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>aws</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/axon/pom.xml b/axon/pom.xml
index be74b38fa6..f6c43c7cbd 100644
--- a/axon/pom.xml
+++ b/axon/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>axon</artifactId>
     <name>axon</name>
diff --git a/azure/pom.xml b/azure/pom.xml
index 7134a47cd7..dc58ffa595 100644
--- a/azure/pom.xml
+++ b/azure/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>azure</artifactId>
     <version>0.1</version>
diff --git a/bazel/bazelapp/pom.xml b/bazel/bazelapp/pom.xml
index 6440c26cd6..54519afff8 100644
--- a/bazel/bazelapp/pom.xml
+++ b/bazel/bazelapp/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>bazelapp</artifactId>
     <name>bazelapp</name>
diff --git a/bazel/bazelgreeting/pom.xml b/bazel/bazelgreeting/pom.xml
index ae8a6e4080..7742f92206 100644
--- a/bazel/bazelgreeting/pom.xml
+++ b/bazel/bazelgreeting/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>bazelgreeting</artifactId>
     <name>bazelgreeting</name>
diff --git a/bazel/pom.xml b/bazel/pom.xml
index b1585cc73b..6673e09dbc 100644
--- a/bazel/pom.xml
+++ b/bazel/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>bazel</artifactId>
     <name>bazel</name>
diff --git a/blade/pom.xml b/blade/pom.xml
index f463c7f077..178d1afb52 100644
--- a/blade/pom.xml
+++ b/blade/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>blade</artifactId>
     <name>blade</name>
diff --git a/bootique/pom.xml b/bootique/pom.xml
index 8e40b3ec8d..2cbcd671bb 100644
--- a/bootique/pom.xml
+++ b/bootique/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.bootique</groupId>
     <artifactId>bootique</artifactId>
diff --git a/cas/cas-secured-app/pom.xml b/cas/cas-secured-app/pom.xml
index 63d5d43417..8e6f28e3a8 100644
--- a/cas/cas-secured-app/pom.xml
+++ b/cas/cas-secured-app/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cas-secured-app</artifactId>
     <name>cas-secured-app</name>
diff --git a/cas/cas-server/pom.xml b/cas/cas-server/pom.xml
index bfd8f685ac..abcf251667 100644
--- a/cas/cas-server/pom.xml
+++ b/cas/cas-server/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd ">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd ">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cas-server</artifactId>
     <version>1.0</version>
diff --git a/cas/pom.xml b/cas/pom.xml
index f458b23797..77fae3b50a 100644
--- a/cas/pom.xml
+++ b/cas/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cas</artifactId>
     <name>cas</name>
diff --git a/cdi/pom.xml b/cdi/pom.xml
index 32b9c8a360..fec12a9b16 100644
--- a/cdi/pom.xml
+++ b/cdi/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cdi</artifactId>
     <version>1.0-SNAPSHOT</version>
diff --git a/checker-plugin/pom.xml b/checker-plugin/pom.xml
index 0140d7951a..9820d8b602 100644
--- a/checker-plugin/pom.xml
+++ b/checker-plugin/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>checker-plugin</artifactId>
     <version>1.0-SNAPSHOT</version>
@@ -66,13 +68,10 @@
 
                         <!-- location of the annotated JDK, which comes from a Maven dependency -->
                         <arg>-Xbootclasspath/p:${annotatedJdk}</arg>
-                        <!--
-                        -->
+                        <!-- -->
 
                         <!-- Uncomment the following line to use the type annotations compiler. -->
-                        <!--
-                        <arg>-J-Xbootclasspath/p:${typeAnnotationsJavac}</arg>
-                        -->
+                        <!-- <arg>-J-Xbootclasspath/p:${typeAnnotationsJavac}</arg> -->
                         <!-- Uncomment the following line to turn type-checking warnings into errors. -->
                         <arg>-Awarns</arg>
                     </compilerArgs>
@@ -85,9 +84,7 @@
         <!-- These properties will be set by the Maven Dependency plugin -->
         <annotatedJdk>${org.checkerframework:jdk8:jar}</annotatedJdk>
         <!-- Uncomment to use the Type Annotations compiler. -->
-        <!--
-        <typeAnnotationsJavac>${org.checkerframework:compiler:jar}</typeAnnotationsJavac>
-        -->
+        <!-- <typeAnnotationsJavac>${org.checkerframework:compiler:jar}</typeAnnotationsJavac> -->
         <checker-qual.version>2.3.1</checker-qual.version>
         <checker.version>2.3.1</checker.version>
         <jdk8.version>2.3.1</jdk8.version>
diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-client/pom.xml b/cloud-foundry-uaa/cf-uaa-oauth2-client/pom.xml
index 1429ca8b24..8706bd3b53 100644
--- a/cloud-foundry-uaa/cf-uaa-oauth2-client/pom.xml
+++ b/cloud-foundry-uaa/cf-uaa-oauth2-client/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.example</groupId>
     <artifactId>cf-uaa-oauth2-client</artifactId>
diff --git a/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/pom.xml b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/pom.xml
index 6297c6f673..6bac4fe59a 100644
--- a/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/pom.xml
+++ b/cloud-foundry-uaa/cf-uaa-oauth2-resource-server/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.cfuaa</groupId>
     <artifactId>cf-uaa-oauth2-resource-server</artifactId>
diff --git a/cloud-foundry-uaa/pom.xml b/cloud-foundry-uaa/pom.xml
index 0001e521ed..a8a46b921d 100644
--- a/cloud-foundry-uaa/pom.xml
+++ b/cloud-foundry-uaa/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cloud-foundry-uaa</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/code-generation/pom.xml b/code-generation/pom.xml
index 7cc076c58f..c5feef2426 100644
--- a/code-generation/pom.xml
+++ b/code-generation/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>code-generation</artifactId>
     <version>1.0</version>
diff --git a/core-groovy-2/pom.xml b/core-groovy-2/pom.xml
index 1b26182ef4..a01560781b 100644
--- a/core-groovy-2/pom.xml
+++ b/core-groovy-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-groovy-2</artifactId>
     <version>1.0-SNAPSHOT</version>
diff --git a/core-groovy-collections/pom.xml b/core-groovy-collections/pom.xml
index 4e591970b0..125dfca4c1 100644
--- a/core-groovy-collections/pom.xml
+++ b/core-groovy-collections/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-groovy-collections</artifactId>
     <version>1.0-SNAPSHOT</version>
diff --git a/core-groovy/pom.xml b/core-groovy/pom.xml
index 6407f7c0c6..69833ff74d 100644
--- a/core-groovy/pom.xml
+++ b/core-groovy/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-groovy</artifactId>
     <version>1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-10/pom.xml b/core-java-modules/core-java-10/pom.xml
index 49ebbfb283..a9b991852f 100644
--- a/core-java-modules/core-java-10/pom.xml
+++ b/core-java-modules/core-java-10/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-10</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-11/pom.xml b/core-java-modules/core-java-11/pom.xml
index 2dfc72db09..bbc4219eaa 100644
--- a/core-java-modules/core-java-11/pom.xml
+++ b/core-java-modules/core-java-11/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-11</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -78,14 +79,11 @@
                                 <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                     <mainClass>org.openjdk.jmh.Main</mainClass>
                                 </transformer>
-                                <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" />
                             </transformers>
                             <filters>
                                 <filter>
-                                    <!--
-                                        Shading signed JARs will fail without this.
-                                        http://stackoverflow.com/questions/999489/invalid-signature-file-when-attempting-to-run-a-jar
-                                    -->
+                                    <!-- Shading signed JARs will fail without this. http://stackoverflow.com/questions/999489/invalid-signature-file-when-attempting-to-run-a-jar -->
                                     <artifact>*:*</artifact>
                                     <excludes>
                                         <exclude>META-INF/*.SF</exclude>
diff --git a/core-java-modules/core-java-12/pom.xml b/core-java-modules/core-java-12/pom.xml
index 171d3f6e73..373f23488e 100644
--- a/core-java-modules/core-java-12/pom.xml
+++ b/core-java-modules/core-java-12/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-12</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-13/pom.xml b/core-java-modules/core-java-13/pom.xml
index 9469f49411..4537067567 100644
--- a/core-java-modules/core-java-13/pom.xml
+++ b/core-java-modules/core-java-13/pom.xml
@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung</groupId>
diff --git a/core-java-modules/core-java-14/pom.xml b/core-java-modules/core-java-14/pom.xml
index 4f89e87d02..96cb6b37e7 100644
--- a/core-java-modules/core-java-14/pom.xml
+++ b/core-java-modules/core-java-14/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-14</artifactId>
     <name>core-java-14</name>
diff --git a/core-java-modules/core-java-8-2/pom.xml b/core-java-modules/core-java-8-2/pom.xml
index 746755f7a9..00579c49b2 100644
--- a/core-java-modules/core-java-8-2/pom.xml
+++ b/core-java-modules/core-java-8-2/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-8-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-8/pom.xml b/core-java-modules/core-java-8/pom.xml
index 2a563333ad..a434be028d 100644
--- a/core-java-modules/core-java-8/pom.xml
+++ b/core-java-modules/core-java-8/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-8</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-9-improvements/pom.xml b/core-java-modules/core-java-9-improvements/pom.xml
index 9958bf9364..d1c6bac9ec 100644
--- a/core-java-modules/core-java-9-improvements/pom.xml
+++ b/core-java-modules/core-java-9-improvements/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-9-improvements</artifactId>
     <version>0.2-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-9-jigsaw/pom.xml b/core-java-modules/core-java-9-jigsaw/pom.xml
index ecb36c365d..6ad4c3d510 100644
--- a/core-java-modules/core-java-9-jigsaw/pom.xml
+++ b/core-java-modules/core-java-9-jigsaw/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-9-jigsaw</artifactId>
     <version>0.2-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-9-new-features/pom.xml b/core-java-modules/core-java-9-new-features/pom.xml
index 9db1112f1d..b0fb6ab7f9 100644
--- a/core-java-modules/core-java-9-new-features/pom.xml
+++ b/core-java-modules/core-java-9-new-features/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-9-new-features</artifactId>
     <version>0.2-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-9-streams/pom.xml b/core-java-modules/core-java-9-streams/pom.xml
index 99be29f2b0..7865b336a7 100644
--- a/core-java-modules/core-java-9-streams/pom.xml
+++ b/core-java-modules/core-java-9-streams/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-9-streams</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-9/pom.xml b/core-java-modules/core-java-9/pom.xml
index a90ad0a740..b6dff0a3a4 100644
--- a/core-java-modules/core-java-9/pom.xml
+++ b/core-java-modules/core-java-9/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-9</artifactId>
     <version>0.2-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-annotations/pom.xml b/core-java-modules/core-java-annotations/pom.xml
index a97686a5b5..8fc4c15cde 100644
--- a/core-java-modules/core-java-annotations/pom.xml
+++ b/core-java-modules/core-java-annotations/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-annotations</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-arrays-2/pom.xml b/core-java-modules/core-java-arrays-2/pom.xml
index b300de511a..1445a322d7 100644
--- a/core-java-modules/core-java-arrays-2/pom.xml
+++ b/core-java-modules/core-java-arrays-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-arrays-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -20,7 +22,7 @@
             <artifactId>commons-lang3</artifactId>
             <version>${commons-lang3.version}</version>
         </dependency>
-		<dependency>
+        <dependency>
             <groupId>org.openjdk.jmh</groupId>
             <artifactId>jmh-core</artifactId>
             <version>${jmh.version}</version>
@@ -47,34 +49,33 @@
                 <filtering>true</filtering>
             </resource>
         </resources>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-shade-plugin</artifactId>
-				<version>${shade.plugin.version}</version>
-				<executions>
-					<execution>
-						<phase>package</phase>
-						<goals>
-							<goal>shade</goal>
-						</goals>
-						<configuration>
-							<finalName>benchmarks</finalName>
-							<transformers>
-								<transformer
-										implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-									<mainClass>org.openjdk.jmh.Main</mainClass>
-								</transformer>
-							</transformers>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
-		</plugins>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>${shade.plugin.version}</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <finalName>benchmarks</finalName>
+                            <transformers>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>org.openjdk.jmh.Main</mainClass>
+                                </transformer>
+                            </transformers>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
     </build>
 
     <properties>
-		<jmh.version>1.19</jmh.version>
+        <jmh.version>1.19</jmh.version>
         <!-- util -->
         <commons-lang3.version>3.9</commons-lang3.version>
         <!-- testing -->
diff --git a/core-java-modules/core-java-arrays-3/pom.xml b/core-java-modules/core-java-arrays-3/pom.xml
index 516d9b2b37..210375b878 100644
--- a/core-java-modules/core-java-arrays-3/pom.xml
+++ b/core-java-modules/core-java-arrays-3/pom.xml
@@ -1,31 +1,32 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<artifactId>core-java-arrays-3</artifactId>
-	<version>0.1.0-SNAPSHOT</version>
-	<name>core-java-arrays-3</name>
-	<packaging>jar</packaging>
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java-arrays-3</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>core-java-arrays-3</name>
+    <packaging>jar</packaging>
 
-	<parent>
-		<groupId>com.baeldung</groupId>
-		<artifactId>parent-java</artifactId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../../parent-java</relativePath>
-	</parent>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
+    </parent>
 
-	<dependencies>
-		<dependency>
-			<groupId>org.assertj</groupId>
-			<artifactId>assertj-core</artifactId>
-			<version>${assertj.version}</version>
-			<scope>test</scope>
-		</dependency>
-	</dependencies>
+    <dependencies>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
 
-	<properties>
-		<assertj.version>3.14.0</assertj.version>
-	</properties>
+    <properties>
+        <assertj.version>3.14.0</assertj.version>
+    </properties>
 
 </project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-arrays/pom.xml b/core-java-modules/core-java-arrays/pom.xml
index 145b711135..ea28eb25eb 100644
--- a/core-java-modules/core-java-arrays/pom.xml
+++ b/core-java-modules/core-java-arrays/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-arrays</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -66,7 +68,7 @@
                 </executions>
             </plugin>
 
-            
+
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
@@ -78,7 +80,7 @@
                         <argument>-Xmx300m</argument>
                         <argument>-XX:+UseParallelGC</argument>
                         <argument>-classpath</argument>
-                        <classpath/>
+                        <classpath />
                         <argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
                     </arguments>
                 </configuration>
@@ -144,7 +146,7 @@
                                     <executable>java</executable>
                                     <arguments>
                                         <argument>-classpath</argument>
-                                        <classpath/>
+                                        <classpath />
                                         <argument>org.openjdk.jmh.Main</argument>
                                         <argument>.*</argument>
                                     </arguments>
diff --git a/core-java-modules/core-java-collections-2/pom.xml b/core-java-modules/core-java-collections-2/pom.xml
index e0e7dd5c82..3a7c70b1a2 100644
--- a/core-java-modules/core-java-collections-2/pom.xml
+++ b/core-java-modules/core-java-collections-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections-2</artifactId>
     <name>core-java-collections-2</name>
diff --git a/core-java-modules/core-java-collections-3/pom.xml b/core-java-modules/core-java-collections-3/pom.xml
index f94ff6f71f..1e1695c8bc 100644
--- a/core-java-modules/core-java-collections-3/pom.xml
+++ b/core-java-modules/core-java-collections-3/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections-3</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-collections-array-list/pom.xml b/core-java-modules/core-java-collections-array-list/pom.xml
index cf7889fa58..74a6513cac 100644
--- a/core-java-modules/core-java-collections-array-list/pom.xml
+++ b/core-java-modules/core-java-collections-array-list/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections-array-list</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-collections-list-2/pom.xml b/core-java-modules/core-java-collections-list-2/pom.xml
index 05b82a179b..3184da1294 100644
--- a/core-java-modules/core-java-collections-list-2/pom.xml
+++ b/core-java-modules/core-java-collections-list-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections-list-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-collections-list-3/pom.xml b/core-java-modules/core-java-collections-list-3/pom.xml
index ced8a732c1..090e756ac6 100644
--- a/core-java-modules/core-java-collections-list-3/pom.xml
+++ b/core-java-modules/core-java-collections-list-3/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections-list-3</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-collections-list/pom.xml b/core-java-modules/core-java-collections-list/pom.xml
index 3227c94e78..e6dce5a0db 100644
--- a/core-java-modules/core-java-collections-list/pom.xml
+++ b/core-java-modules/core-java-collections-list/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections-list</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-collections-set/pom.xml b/core-java-modules/core-java-collections-set/pom.xml
index d21bbeef77..8ba1b2400d 100644
--- a/core-java-modules/core-java-collections-set/pom.xml
+++ b/core-java-modules/core-java-collections-set/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections-set</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-collections/pom.xml b/core-java-modules/core-java-collections/pom.xml
index c9cbe94a4f..515d19d7fb 100644
--- a/core-java-modules/core-java-collections/pom.xml
+++ b/core-java-modules/core-java-collections/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-concurrency-2/pom.xml b/core-java-modules/core-java-concurrency-2/pom.xml
index 690fe97ae6..a9a01b70f3 100644
--- a/core-java-modules/core-java-concurrency-2/pom.xml
+++ b/core-java-modules/core-java-concurrency-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-concurrency-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-concurrency-advanced-2/pom.xml b/core-java-modules/core-java-concurrency-advanced-2/pom.xml
index 7e76219c4e..8752e7b7db 100644
--- a/core-java-modules/core-java-concurrency-advanced-2/pom.xml
+++ b/core-java-modules/core-java-concurrency-advanced-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-concurrency-advanced-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-concurrency-advanced-3/pom.xml b/core-java-modules/core-java-concurrency-advanced-3/pom.xml
index 8f275f4043..cf81214125 100644
--- a/core-java-modules/core-java-concurrency-advanced-3/pom.xml
+++ b/core-java-modules/core-java-concurrency-advanced-3/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-concurrency-advanced-3</artifactId>
@@ -23,26 +24,26 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        
+
         <dependency>
             <groupId>com.jcabi</groupId>
             <artifactId>jcabi-aspects</artifactId>
             <version>${jcabi-aspects.version}</version>
         </dependency>
-        
+
         <dependency>
             <groupId>org.aspectj</groupId>
             <artifactId>aspectjrt</artifactId>
             <version>${aspectjrt.version}</version>
             <scope>runtime</scope>
         </dependency>
-        
+
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
             <version>${guava.version}</version>
         </dependency>
-        
+
         <dependency>
             <groupId>org.cactoos</groupId>
             <artifactId>cactoos</artifactId>
diff --git a/core-java-modules/core-java-concurrency-advanced/pom.xml b/core-java-modules/core-java-concurrency-advanced/pom.xml
index 65ca811737..d39712468f 100644
--- a/core-java-modules/core-java-concurrency-advanced/pom.xml
+++ b/core-java-modules/core-java-concurrency-advanced/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-concurrency-advanced</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-concurrency-basic-2/pom.xml b/core-java-modules/core-java-concurrency-basic-2/pom.xml
index 0fee2c04ff..8c9bbef54c 100644
--- a/core-java-modules/core-java-concurrency-basic-2/pom.xml
+++ b/core-java-modules/core-java-concurrency-basic-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-concurrency-basic-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-concurrency-basic/pom.xml b/core-java-modules/core-java-concurrency-basic/pom.xml
index 9d9d2cb663..c15200da1f 100644
--- a/core-java-modules/core-java-concurrency-basic/pom.xml
+++ b/core-java-modules/core-java-concurrency-basic/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-concurrency-basic</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-concurrency-collections/pom.xml b/core-java-modules/core-java-concurrency-collections/pom.xml
index f731b1acd1..5c038639a7 100644
--- a/core-java-modules/core-java-concurrency-collections/pom.xml
+++ b/core-java-modules/core-java-concurrency-collections/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-concurrency-collections</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-date-operations-1/pom.xml b/core-java-modules/core-java-date-operations-1/pom.xml
index 83216f1ad8..54cbc79678 100644
--- a/core-java-modules/core-java-date-operations-1/pom.xml
+++ b/core-java-modules/core-java-date-operations-1/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-date-operations-1</artifactId>
     <version>${project.parent.version}</version>
diff --git a/core-java-modules/core-java-date-operations-2/pom.xml b/core-java-modules/core-java-date-operations-2/pom.xml
index 155b8ad0b7..ea5f852b0d 100644
--- a/core-java-modules/core-java-date-operations-2/pom.xml
+++ b/core-java-modules/core-java-date-operations-2/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
diff --git a/core-java-modules/core-java-datetime-conversion/pom.xml b/core-java-modules/core-java-datetime-conversion/pom.xml
index e2b143aa88..e2dd579335 100644
--- a/core-java-modules/core-java-datetime-conversion/pom.xml
+++ b/core-java-modules/core-java-datetime-conversion/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-datetime-conversion</artifactId>
     <version>${project.parent.version}</version>
diff --git a/core-java-modules/core-java-datetime-java8-2/pom.xml b/core-java-modules/core-java-datetime-java8-2/pom.xml
index 34323fe76c..a15113bddc 100644
--- a/core-java-modules/core-java-datetime-java8-2/pom.xml
+++ b/core-java-modules/core-java-datetime-java8-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-datetime-java8</artifactId>
     <version>${project.parent.version}</version>
diff --git a/core-java-modules/core-java-datetime-java8/pom.xml b/core-java-modules/core-java-datetime-java8/pom.xml
index 34323fe76c..a15113bddc 100644
--- a/core-java-modules/core-java-datetime-java8/pom.xml
+++ b/core-java-modules/core-java-datetime-java8/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-datetime-java8</artifactId>
     <version>${project.parent.version}</version>
diff --git a/core-java-modules/core-java-datetime-string/pom.xml b/core-java-modules/core-java-datetime-string/pom.xml
index dd793f7fe8..ceb7641320 100644
--- a/core-java-modules/core-java-datetime-string/pom.xml
+++ b/core-java-modules/core-java-datetime-string/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-datetime-string</artifactId>
     <version>${project.parent.version}</version>
diff --git a/core-java-modules/core-java-exceptions-2/pom.xml b/core-java-modules/core-java-exceptions-2/pom.xml
index 955d7153fa..cf8de3d5b6 100644
--- a/core-java-modules/core-java-exceptions-2/pom.xml
+++ b/core-java-modules/core-java-exceptions-2/pom.xml
@@ -1,36 +1,37 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
 
-	<artifactId>core-java-exceptions-2</artifactId>
-	<name>core-java-exceptions-2</name>
-	<packaging>jar</packaging>
+    <artifactId>core-java-exceptions-2</artifactId>
+    <name>core-java-exceptions-2</name>
+    <packaging>jar</packaging>
 
-	<parent>
-		<groupId>com.baeldung</groupId>
-		<artifactId>parent-java</artifactId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../../parent-java</relativePath>
-	</parent>
-	
-	<dependencies>
-		<!-- test scoped -->
-		<dependency>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <!-- test scoped -->
+        <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
             <version>${assertj-core.version}</version>
             <scope>test</scope>
         </dependency>
-	</dependencies>
+    </dependencies>
 
-	<description> </description>
-	<url>http://maven.apache.org</url>
+    <description> </description>
+    <url>http://maven.apache.org</url>
 
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<!-- testing -->
-		<assertj-core.version>3.10.0</assertj-core.version>
-	</properties>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <!-- testing -->
+        <assertj-core.version>3.10.0</assertj-core.version>
+    </properties>
 
 </project>
diff --git a/core-java-modules/core-java-exceptions/pom.xml b/core-java-modules/core-java-exceptions/pom.xml
index 303a09d5b7..60c5e2650a 100644
--- a/core-java-modules/core-java-exceptions/pom.xml
+++ b/core-java-modules/core-java-exceptions/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.exceptions</groupId>
     <artifactId>core-java-exceptions</artifactId>
diff --git a/core-java-modules/core-java-function/pom.xml b/core-java-modules/core-java-function/pom.xml
index 0e61f73c84..1a853d5580 100644
--- a/core-java-modules/core-java-function/pom.xml
+++ b/core-java-modules/core-java-function/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-function</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-io-2/pom.xml b/core-java-modules/core-java-io-2/pom.xml
index 0c271737d9..ee7d82b610 100644
--- a/core-java-modules/core-java-io-2/pom.xml
+++ b/core-java-modules/core-java-io-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-io-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-io-apis/pom.xml b/core-java-modules/core-java-io-apis/pom.xml
index 6eb869c537..9628027309 100644
--- a/core-java-modules/core-java-io-apis/pom.xml
+++ b/core-java-modules/core-java-io-apis/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-io-apis</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-io-conversions/pom.xml b/core-java-modules/core-java-io-conversions/pom.xml
index c3a1b2fe2d..f5ccaa45a3 100644
--- a/core-java-modules/core-java-io-conversions/pom.xml
+++ b/core-java-modules/core-java-io-conversions/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-io-conversions</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-io/pom.xml b/core-java-modules/core-java-io/pom.xml
index 1c568a610d..103a809f90 100644
--- a/core-java-modules/core-java-io/pom.xml
+++ b/core-java-modules/core-java-io/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-io</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -73,7 +75,7 @@
                         <argument>-Xmx300m</argument>
                         <argument>-XX:+UseParallelGC</argument>
                         <argument>-classpath</argument>
-                        <classpath/>
+                        <classpath />
                         <argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
                     </arguments>
                 </configuration>
@@ -127,7 +129,7 @@
                                     <executable>java</executable>
                                     <arguments>
                                         <argument>-classpath</argument>
-                                        <classpath/>
+                                        <classpath />
                                         <argument>org.openjdk.jmh.Main</argument>
                                         <argument>.*</argument>
                                     </arguments>
diff --git a/core-java-modules/core-java-jar/pom.xml b/core-java-modules/core-java-jar/pom.xml
index d035ee33e2..1d87bcda5f 100644
--- a/core-java-modules/core-java-jar/pom.xml
+++ b/core-java-modules/core-java-jar/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-jar</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -196,7 +198,7 @@
                         <argument>-Xmx300m</argument>
                         <argument>-XX:+UseParallelGC</argument>
                         <argument>-classpath</argument>
-                        <classpath/>
+                        <classpath />
                         <argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
                     </arguments>
                 </configuration>
@@ -262,7 +264,7 @@
                                     <executable>java</executable>
                                     <arguments>
                                         <argument>-classpath</argument>
-                                        <classpath/>
+                                        <classpath />
                                         <argument>org.openjdk.jmh.Main</argument>
                                         <argument>.*</argument>
                                     </arguments>
diff --git a/core-java-modules/core-java-jndi/pom.xml b/core-java-modules/core-java-jndi/pom.xml
index 482d07a999..4a491a1a47 100644
--- a/core-java-modules/core-java-jndi/pom.xml
+++ b/core-java-modules/core-java-jndi/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.jndi</groupId>
     <artifactId>core-java-jndi</artifactId>
@@ -72,7 +73,7 @@
             </plugin>
         </plugins>
     </build>
-    
+
     <properties>
         <spring.version>5.0.9.RELEASE</spring.version>
         <h2.version>1.4.199</h2.version>
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern1/consumermodule/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern1/consumermodule/pom.xml
index e708502dee..fe6689dcc3 100644
--- a/core-java-modules/core-java-jpms/decoupling-pattern1/consumermodule/pom.xml
+++ b/core-java-modules/core-java-jpms/decoupling-pattern1/consumermodule/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>consumermodule</artifactId>
     <version>1.0</version>
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern1/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern1/pom.xml
index 3c03643a2c..fd59c151e6 100644
--- a/core-java-modules/core-java-jpms/decoupling-pattern1/pom.xml
+++ b/core-java-modules/core-java-jpms/decoupling-pattern1/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.decoupling-pattern1</groupId>
     <artifactId>decoupling-pattern1</artifactId>
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern1/servicemodule/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern1/servicemodule/pom.xml
index 3fe6f735eb..c2da228ce6 100644
--- a/core-java-modules/core-java-jpms/decoupling-pattern1/servicemodule/pom.xml
+++ b/core-java-modules/core-java-jpms/decoupling-pattern1/servicemodule/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>servicemodule</artifactId>
     <packaging>jar</packaging>
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/pom.xml
index a042ee4562..e6b351b1b9 100644
--- a/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/pom.xml
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.consumermodule</groupId>
     <artifactId>consumermodule</artifactId>
@@ -34,7 +35,7 @@
             </plugin>
         </plugins>
     </build>
-	
+
     <properties>
         <servicemodule.version>1.0</servicemodule.version>
         <providermodule.version>1.0</providermodule.version>
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern2/pom.xml
index f6b4e5b0df..17bca54edb 100644
--- a/core-java-modules/core-java-jpms/decoupling-pattern2/pom.xml
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.decoupling-pattern2</groupId>
     <artifactId>decoupling-pattern2</artifactId>
@@ -29,7 +30,7 @@
             </plugins>
         </pluginManagement>
     </build>
-	
+
     <properties>
         <compiler.plugin.version>3.8.0</compiler.plugin.version>
         <source.version>11</source.version>
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/pom.xml
index 20e97fca0f..3e8d5c0c39 100644
--- a/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/pom.xml
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.providermodule</groupId>
     <artifactId>providermodule</artifactId>
@@ -32,7 +33,7 @@
 
     <properties>
         <servicemodule.version>1.0</servicemodule.version>
-	</properties>
+    </properties>
 
 
 </project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/pom.xml
index f65ebb0b55..51d64998df 100644
--- a/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/pom.xml
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>servicemodule</artifactId>
     <version>1.0</version>
diff --git a/core-java-modules/core-java-jpms/pom.xml b/core-java-modules/core-java-jpms/pom.xml
index dfb3c71229..4610baab49 100644
--- a/core-java-modules/core-java-jpms/pom.xml
+++ b/core-java-modules/core-java-jpms/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-jpms</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-jvm/pom.xml b/core-java-modules/core-java-jvm/pom.xml
index 61c31ce82f..edf7a4f3c5 100644
--- a/core-java-modules/core-java-jvm/pom.xml
+++ b/core-java-modules/core-java-jvm/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-jvm</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lambdas/pom.xml b/core-java-modules/core-java-lambdas/pom.xml
index fbcd9d5870..421ca2f394 100644
--- a/core-java-modules/core-java-lambdas/pom.xml
+++ b/core-java-modules/core-java-lambdas/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lambdas</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang-2/pom.xml b/core-java-modules/core-java-lang-2/pom.xml
index a5fb5ca859..5aa80ce3df 100644
--- a/core-java-modules/core-java-lang-2/pom.xml
+++ b/core-java-modules/core-java-lang-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang-math/pom.xml b/core-java-modules/core-java-lang-math/pom.xml
index 671d5630d2..bcb5cf39d2 100644
--- a/core-java-modules/core-java-lang-math/pom.xml
+++ b/core-java-modules/core-java-lang-math/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-math</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang-oop-2/pom.xml b/core-java-modules/core-java-lang-oop-2/pom.xml
index 01bacab0b9..ccacaf7116 100644
--- a/core-java-modules/core-java-lang-oop-2/pom.xml
+++ b/core-java-modules/core-java-lang-oop-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-oop-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang-oop-3/pom.xml b/core-java-modules/core-java-lang-oop-3/pom.xml
index 70939c32c9..cc9b473d03 100644
--- a/core-java-modules/core-java-lang-oop-3/pom.xml
+++ b/core-java-modules/core-java-lang-oop-3/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-oop-3</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang-oop-4/pom.xml b/core-java-modules/core-java-lang-oop-4/pom.xml
index 9e138afddf..3c7e4f446d 100644
--- a/core-java-modules/core-java-lang-oop-4/pom.xml
+++ b/core-java-modules/core-java-lang-oop-4/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-oop-4</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang-oop/pom.xml b/core-java-modules/core-java-lang-oop/pom.xml
index a628a4d6c2..4415784f85 100644
--- a/core-java-modules/core-java-lang-oop/pom.xml
+++ b/core-java-modules/core-java-lang-oop/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-oop</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang-operators/pom.xml b/core-java-modules/core-java-lang-operators/pom.xml
index 03720122cb..b95caa81b8 100644
--- a/core-java-modules/core-java-lang-operators/pom.xml
+++ b/core-java-modules/core-java-lang-operators/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-operators</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang-syntax-2/pom.xml b/core-java-modules/core-java-lang-syntax-2/pom.xml
index 961cf022cb..b6da37b736 100644
--- a/core-java-modules/core-java-lang-syntax-2/pom.xml
+++ b/core-java-modules/core-java-lang-syntax-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-syntax-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang-syntax/pom.xml b/core-java-modules/core-java-lang-syntax/pom.xml
index c47a1011b7..106074bba6 100644
--- a/core-java-modules/core-java-lang-syntax/pom.xml
+++ b/core-java-modules/core-java-lang-syntax/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-syntax</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-lang/pom.xml b/core-java-modules/core-java-lang/pom.xml
index 5b8fe4133b..44d7812c15 100644
--- a/core-java-modules/core-java-lang/pom.xml
+++ b/core-java-modules/core-java-lang/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-networking-2/pom.xml b/core-java-modules/core-java-networking-2/pom.xml
index 2e2eb51809..938635b8d4 100644
--- a/core-java-modules/core-java-networking-2/pom.xml
+++ b/core-java-modules/core-java-networking-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-networking-2</artifactId>
     <name>core-java-networking-2</name>
diff --git a/core-java-modules/core-java-networking/pom.xml b/core-java-modules/core-java-networking/pom.xml
index f5b39625f0..c22b62118d 100644
--- a/core-java-modules/core-java-networking/pom.xml
+++ b/core-java-modules/core-java-networking/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-networking</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-nio-2/pom.xml b/core-java-modules/core-java-nio-2/pom.xml
index cd5c87d44e..2e67bff30a 100644
--- a/core-java-modules/core-java-nio-2/pom.xml
+++ b/core-java-modules/core-java-nio-2/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-nio-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-nio/pom.xml b/core-java-modules/core-java-nio/pom.xml
index bc7801c398..e7605763bb 100644
--- a/core-java-modules/core-java-nio/pom.xml
+++ b/core-java-modules/core-java-nio/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-nio</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-optional/pom.xml b/core-java-modules/core-java-optional/pom.xml
index 9ab41d5a82..57e85109e6 100644
--- a/core-java-modules/core-java-optional/pom.xml
+++ b/core-java-modules/core-java-optional/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-optional</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-os/pom.xml b/core-java-modules/core-java-os/pom.xml
index b934701067..d8941cb494 100644
--- a/core-java-modules/core-java-os/pom.xml
+++ b/core-java-modules/core-java-os/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-os</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-perf/pom.xml b/core-java-modules/core-java-perf/pom.xml
index 18e05c9741..c1970346b5 100644
--- a/core-java-modules/core-java-perf/pom.xml
+++ b/core-java-modules/core-java-perf/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-perf</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-reflection/pom.xml b/core-java-modules/core-java-reflection/pom.xml
index 64086ef5b8..dca446b268 100644
--- a/core-java-modules/core-java-reflection/pom.xml
+++ b/core-java-modules/core-java-reflection/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-reflection</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-regex/pom.xml b/core-java-modules/core-java-regex/pom.xml
index 1c55177d70..df2382a732 100644
--- a/core-java-modules/core-java-regex/pom.xml
+++ b/core-java-modules/core-java-regex/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-regex</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-security-2/pom.xml b/core-java-modules/core-java-security-2/pom.xml
index 43a55e3e0d..23f0c5aab9 100644
--- a/core-java-modules/core-java-security-2/pom.xml
+++ b/core-java-modules/core-java-security-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-security-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-security/pom.xml b/core-java-modules/core-java-security/pom.xml
index cefbd3a8a7..a46c2e2d40 100644
--- a/core-java-modules/core-java-security/pom.xml
+++ b/core-java-modules/core-java-security/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-security</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-streams-2/pom.xml b/core-java-modules/core-java-streams-2/pom.xml
index 58f13d658c..1f47df63a0 100644
--- a/core-java-modules/core-java-streams-2/pom.xml
+++ b/core-java-modules/core-java-streams-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-streams-2</artifactId>
     <version>1.0</version>
diff --git a/core-java-modules/core-java-streams-3/pom.xml b/core-java-modules/core-java-streams-3/pom.xml
index 02503d3cab..ae27e28918 100644
--- a/core-java-modules/core-java-streams-3/pom.xml
+++ b/core-java-modules/core-java-streams-3/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-streams-3</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-streams/pom.xml b/core-java-modules/core-java-streams/pom.xml
index 56fdd523fe..272a2be540 100644
--- a/core-java-modules/core-java-streams/pom.xml
+++ b/core-java-modules/core-java-streams/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-streams</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-string-algorithms-2/pom.xml b/core-java-modules/core-java-string-algorithms-2/pom.xml
index a67f1df6d2..f05674034a 100644
--- a/core-java-modules/core-java-string-algorithms-2/pom.xml
+++ b/core-java-modules/core-java-string-algorithms-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-string-algorithms-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-string-algorithms-3/pom.xml b/core-java-modules/core-java-string-algorithms-3/pom.xml
index 43dc040591..583fa99afd 100644
--- a/core-java-modules/core-java-string-algorithms-3/pom.xml
+++ b/core-java-modules/core-java-string-algorithms-3/pom.xml
@@ -1,50 +1,51 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<artifactId>core-java-string-algorithms-3</artifactId>
-	<version>0.1.0-SNAPSHOT</version>
-	<packaging>jar</packaging>
-	<name>core-java-string-algorithms-3</name>
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java-string-algorithms-3</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>core-java-string-algorithms-3</name>
 
-	<parent>
-		<groupId>com.baeldung</groupId>
-		<artifactId>parent-java</artifactId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../../parent-java</relativePath>
-	</parent>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
+    </parent>
 
-	<dependencies>
-		<!-- test scoped -->
-		<dependency>
-			<groupId>org.assertj</groupId>
-			<artifactId>assertj-core</artifactId>
-			<version>${assertj.version}</version>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>com.google.guava</groupId>
-			<artifactId>guava</artifactId>
-			<version>${guava.version}</version>
-		</dependency>
+    <dependencies>
+        <!-- test scoped -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
 
-		<dependency>
-			<groupId>org.junit.jupiter</groupId>
-			<artifactId>junit-jupiter-api</artifactId>
-			<version>${junit-jupiter-api.version}</version>
-			<scope>test</scope>
-		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>${junit-jupiter-api.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>core-java-string-algorithms-3</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
 
-	<build>
-		<finalName>core-java-string-algorithms-3</finalName>
-		<resources>
-			<resource>
-				<directory>src/main/resources</directory>
-				<filtering>true</filtering>
-			</resource>
-		</resources>
-		
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -57,13 +58,13 @@
                 </configuration>
             </plugin>
         </plugins>
-	</build>
+    </build>
 
-	<properties>
-		<commons-lang3.version>3.8.1</commons-lang3.version>
-		<assertj.version>3.6.1</assertj.version>
-		<guava.version>28.1-jre</guava.version>
-		<junit-jupiter-api.version>5.3.1</junit-jupiter-api.version>
-	</properties>
+    <properties>
+        <commons-lang3.version>3.8.1</commons-lang3.version>
+        <assertj.version>3.6.1</assertj.version>
+        <guava.version>28.1-jre</guava.version>
+        <junit-jupiter-api.version>5.3.1</junit-jupiter-api.version>
+    </properties>
 
 </project>
diff --git a/core-java-modules/core-java-string-algorithms/pom.xml b/core-java-modules/core-java-string-algorithms/pom.xml
index 6cae320f1d..cb1a25c11b 100644
--- a/core-java-modules/core-java-string-algorithms/pom.xml
+++ b/core-java-modules/core-java-string-algorithms/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-string-algorithms</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-string-apis/pom.xml b/core-java-modules/core-java-string-apis/pom.xml
index 6d0fd4c6fd..c1cd439386 100644
--- a/core-java-modules/core-java-string-apis/pom.xml
+++ b/core-java-modules/core-java-string-apis/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-string-apis</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-string-conversions-2/pom.xml b/core-java-modules/core-java-string-conversions-2/pom.xml
index 9f2276b212..53680e4fce 100644
--- a/core-java-modules/core-java-string-conversions-2/pom.xml
+++ b/core-java-modules/core-java-string-conversions-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-string-conversions-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-string-conversions/pom.xml b/core-java-modules/core-java-string-conversions/pom.xml
index 7f8fe6468f..302e73e691 100644
--- a/core-java-modules/core-java-string-conversions/pom.xml
+++ b/core-java-modules/core-java-string-conversions/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-string-conversions</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-string-operations-2/pom.xml b/core-java-modules/core-java-string-operations-2/pom.xml
index b882e499b2..f36f8b0ff6 100644
--- a/core-java-modules/core-java-string-operations-2/pom.xml
+++ b/core-java-modules/core-java-string-operations-2/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
@@ -87,8 +88,7 @@
                         </goals>
                         <configuration>
                             <transformers>
-                                <transformer
-                                    implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                     <mainClass>org.openjdk.jmh.Main</mainClass>
                                 </transformer>
                             </transformers>
diff --git a/core-java-modules/core-java-string-operations/pom.xml b/core-java-modules/core-java-string-operations/pom.xml
index a1921c029f..a46b8ac129 100644
--- a/core-java-modules/core-java-string-operations/pom.xml
+++ b/core-java-modules/core-java-string-operations/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-string-operations</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-strings/pom.xml b/core-java-modules/core-java-strings/pom.xml
index 9dfe48527f..9e9bf0748b 100644
--- a/core-java-modules/core-java-strings/pom.xml
+++ b/core-java-modules/core-java-strings/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-strings</artifactId>
     <version>0.1.0-SNAPSHOT</version>
diff --git a/core-java-modules/core-java-sun/pom.xml b/core-java-modules/core-java-sun/pom.xml
index 4721eed278..d60ab71db0 100644
--- a/core-java-modules/core-java-sun/pom.xml
+++ b/core-java-modules/core-java-sun/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-sun</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -51,7 +53,7 @@
                         <argument>-Xmx300m</argument>
                         <argument>-XX:+UseParallelGC</argument>
                         <argument>-classpath</argument>
-                        <classpath/>
+                        <classpath />
                         <argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
                     </arguments>
                 </configuration>
@@ -81,7 +83,7 @@
                                     <executable>java</executable>
                                     <arguments>
                                         <argument>-classpath</argument>
-                                        <classpath/>
+                                        <classpath />
                                         <argument>org.openjdk.jmh.Main</argument>
                                         <argument>.*</argument>
                                     </arguments>
diff --git a/core-java-modules/core-java-time-measurements/pom.xml b/core-java-modules/core-java-time-measurements/pom.xml
index 9377b04690..71a012ca2b 100644
--- a/core-java-modules/core-java-time-measurements/pom.xml
+++ b/core-java-modules/core-java-time-measurements/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.exception.numberformat</groupId>
     <artifactId>core-java-time-measurements</artifactId>
diff --git a/core-java-modules/core-java/pom.xml b/core-java-modules/core-java/pom.xml
index 06d0d85b50..9b89fffd40 100644
--- a/core-java-modules/core-java/pom.xml
+++ b/core-java-modules/core-java/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -101,7 +103,7 @@
                         <argument>-Xmx300m</argument>
                         <argument>-XX:+UseParallelGC</argument>
                         <argument>-classpath</argument>
-                        <classpath/>
+                        <classpath />
                         <argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
                     </arguments>
                 </configuration>
@@ -167,7 +169,7 @@
                                     <executable>java</executable>
                                     <arguments>
                                         <argument>-classpath</argument>
-                                        <classpath/>
+                                        <classpath />
                                         <argument>org.openjdk.jmh.Main</argument>
                                         <argument>.*</argument>
                                     </arguments>
diff --git a/core-java-modules/multimodulemavenproject/daomodule/pom.xml b/core-java-modules/multimodulemavenproject/daomodule/pom.xml
index 79c2628ea4..15f1215d89 100644
--- a/core-java-modules/multimodulemavenproject/daomodule/pom.xml
+++ b/core-java-modules/multimodulemavenproject/daomodule/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.daomodule</groupId>
     <artifactId>daomodule</artifactId>
diff --git a/core-java-modules/multimodulemavenproject/entitymodule/pom.xml b/core-java-modules/multimodulemavenproject/entitymodule/pom.xml
index 2cc789ffbb..3e5a478299 100644
--- a/core-java-modules/multimodulemavenproject/entitymodule/pom.xml
+++ b/core-java-modules/multimodulemavenproject/entitymodule/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.entitymodule</groupId>
     <artifactId>entitymodule</artifactId>
diff --git a/core-java-modules/multimodulemavenproject/mainappmodule/pom.xml b/core-java-modules/multimodulemavenproject/mainappmodule/pom.xml
index e8a8203f33..196e58a419 100644
--- a/core-java-modules/multimodulemavenproject/mainappmodule/pom.xml
+++ b/core-java-modules/multimodulemavenproject/mainappmodule/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.mainappmodule</groupId>
     <artifactId>mainappmodule</artifactId>
diff --git a/core-java-modules/multimodulemavenproject/userdaomodule/pom.xml b/core-java-modules/multimodulemavenproject/userdaomodule/pom.xml
index 8f4cc3d945..f4a7e5c8f8 100644
--- a/core-java-modules/multimodulemavenproject/userdaomodule/pom.xml
+++ b/core-java-modules/multimodulemavenproject/userdaomodule/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.userdaomodule</groupId>
     <artifactId>userdaomodule</artifactId>
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index da700c383e..326d4bb1c5 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.core-java-modules</groupId>
     <artifactId>core-java-modules</artifactId>
@@ -52,13 +54,8 @@
 
         <!-- <module>core-java-date-operations-1</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
         <module>core-java-date-operations-2</module>
-        <!-- We haven't upgraded to java 9.-->
-        <!--
-        <module>core-java-datetime-computations</module>
-        <module>core-java-datetime-conversion</module>
-        <module>core-java-datetime-java8</module>
-        <module>core-java-datetime-string</module>
-        -->
+        <!-- We haven't upgraded to java 9. -->
+        <!-- <module>core-java-datetime-computations</module> <module>core-java-datetime-conversion</module> <module>core-java-datetime-java8</module> <module>core-java-datetime-string</module> -->
 
         <module>core-java-exceptions</module>
         <module>core-java-exceptions-2</module>
@@ -73,7 +70,7 @@
         <module>core-java-jar</module>
         <module>core-java-jndi</module>
         <!-- <module>core-java-jpms</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
-        <module>core-java-jvm</module>		
+        <module>core-java-jvm</module>
 
         <module>core-java-lambdas</module>
         <module>core-java-lang</module>
@@ -93,7 +90,7 @@
         <module>core-java-nio-2</module>
 
         <module>core-java-optional</module>
-        <!--<module>core-java-os</module> --> <!-- We haven't upgraded to java 9.-->
+        <!--<module>core-java-os</module> --> <!-- We haven't upgraded to java 9. -->
 
         <module>core-java-perf</module>
 
diff --git a/core-java-modules/pre-jpms/pom.xml b/core-java-modules/pre-jpms/pom.xml
index 9833dc2ff7..18a2566e92 100644
--- a/core-java-modules/pre-jpms/pom.xml
+++ b/core-java-modules/pre-jpms/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pre-jpms</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -69,7 +70,7 @@
             </plugin>
         </plugins>
     </build>
-	
+
     <properties>
         <dependency.plugin.version>3.1.1</dependency.plugin.version>
         <compiler.plugin.version>3.8.0</compiler.plugin.version>
diff --git a/parent-boot-1/pom.xml b/parent-boot-1/pom.xml
index df2a7f8400..2e9c767aa2 100644
--- a/parent-boot-1/pom.xml
+++ b/parent-boot-1/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>parent-boot-1</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/parent-boot-2/pom.xml b/parent-boot-2/pom.xml
index 43911a26ad..6e9e90a6d3 100644
--- a/parent-boot-2/pom.xml
+++ b/parent-boot-2/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>parent-boot-2</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/parent-java/pom.xml b/parent-java/pom.xml
index e4ec2255c6..4828bc2abb 100644
--- a/parent-java/pom.xml
+++ b/parent-java/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>parent-java</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/parent-kotlin/pom.xml b/parent-kotlin/pom.xml
index abc871ca91..e3d67eaaf2 100644
--- a/parent-kotlin/pom.xml
+++ b/parent-kotlin/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>parent-kotlin</artifactId>
     <name>parent-kotlin</name>
diff --git a/parent-spring-4/pom.xml b/parent-spring-4/pom.xml
index 3749c5016e..3f9a22fb03 100644
--- a/parent-spring-4/pom.xml
+++ b/parent-spring-4/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>parent-spring-4</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/parent-spring-5/pom.xml b/parent-spring-5/pom.xml
index 85a4645aa7..27f355bfad 100644
--- a/parent-spring-5/pom.xml
+++ b/parent-spring-5/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>parent-spring-5</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/spring-5-reactive-client/pom.xml b/spring-5-reactive-client/pom.xml
index 2981fc4f77..e3c41f8b84 100644
--- a/spring-5-reactive-client/pom.xml
+++ b/spring-5-reactive-client/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-5-reactive-client</artifactId>
     <name>spring-5-reactive-client</name>
diff --git a/webrtc/pom.xml b/webrtc/pom.xml
index 2a3b48b2ed..6dc98afb1c 100644
--- a/webrtc/pom.xml
+++ b/webrtc/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
diff --git a/wicket/pom.xml b/wicket/pom.xml
index 5175eca59c..68bc2f3e6b 100644
--- a/wicket/pom.xml
+++ b/wicket/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.wicket.examples</groupId>
     <artifactId>wicket</artifactId>
diff --git a/wildfly/pom.xml b/wildfly/pom.xml
index cdffe8b996..7b2a474c8d 100644
--- a/wildfly/pom.xml
+++ b/wildfly/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.springframework</groupId>
     <artifactId>wildfly</artifactId>
diff --git a/xml/pom.xml b/xml/pom.xml
index eb2d567957..8b2df41af6 100644
--- a/xml/pom.xml
+++ b/xml/pom.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>xml</artifactId>
     <version>0.1-SNAPSHOT</version>
@@ -326,8 +327,7 @@
                         </configuration>
                     </plugin>
                     <plugin>
-                        <!-- NOTE: We don't need a groupId specification 
-                            because the group is org.apache.maven.plugins ...which is assumed by default. -->
+                        <!-- NOTE: We don't need a groupId specification because the group is org.apache.maven.plugins ...which is assumed by default. -->
                         <artifactId>maven-assembly-plugin</artifactId>
                         <configuration>
                             <archiveBaseDirectory>${project.basedir}</archiveBaseDirectory>
@@ -346,10 +346,8 @@
                         </configuration>
                         <executions>
                             <execution>
-                                <id>make-assembly</id><!-- this is used for 
-                                    inheritance merges -->
-                                <phase>package</phase><!-- append to the 
-                                    packaging phase. -->
+                                <id>make-assembly</id><!-- this is used for inheritance merges -->
+                                <phase>package</phase><!-- append to the packaging phase. -->
                                 <goals>
                                     <goal>attached</goal><!-- goals == mojos -->
                                 </goals>
diff --git a/xstream/pom.xml b/xstream/pom.xml
index a703aa3774..618df1a7c2 100644
--- a/xstream/pom.xml
+++ b/xstream/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.baeldung</groupId>
     <artifactId>xstream</artifactId>