diff --git a/httpclient-2/pom.xml b/httpclient-2/pom.xml
index 7638c692dc..881b0407c3 100644
--- a/httpclient-2/pom.xml
+++ b/httpclient-2/pom.xml
@@ -26,7 +26,6 @@
                 </exclusion>
             </exclusions>
         </dependency>
-
         <!-- rest template -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/immutables/pom.xml b/immutables/pom.xml
index af4a62ea6b..648166fd74 100644
--- a/immutables/pom.xml
+++ b/immutables/pom.xml
@@ -1,6 +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"
-         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>immutables</artifactId>
     <name>immutables</name>
diff --git a/jackson-modules/jackson-annotations/pom.xml b/jackson-modules/jackson-annotations/pom.xml
index e4a41a5825..bdc131c867 100644
--- a/jackson-modules/jackson-annotations/pom.xml
+++ b/jackson-modules/jackson-annotations/pom.xml
@@ -1,6 +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"
-         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>jackson-annotations</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -47,4 +48,4 @@
         <rest-assured.version>3.1.1</rest-assured.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/jackson-modules/jackson-conversions-2/pom.xml b/jackson-modules/jackson-conversions-2/pom.xml
index 992cff30b2..799fcb106a 100644
--- a/jackson-modules/jackson-conversions-2/pom.xml
+++ b/jackson-modules/jackson-conversions-2/pom.xml
@@ -1,6 +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"
-         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>jackson-conversions-2</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -54,4 +55,4 @@
         <jackson-datatype.version>2.9.8</jackson-datatype.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/jackson-modules/jackson-conversions/pom.xml b/jackson-modules/jackson-conversions/pom.xml
index fafb731cc9..9218f209ac 100644
--- a/jackson-modules/jackson-conversions/pom.xml
+++ b/jackson-modules/jackson-conversions/pom.xml
@@ -1,6 +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"
-         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>jackson-conversions</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -35,4 +36,4 @@
         </resources>
     </build>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/jackson-modules/jackson-custom-conversions/pom.xml b/jackson-modules/jackson-custom-conversions/pom.xml
index f58b25781c..79af962eec 100644
--- a/jackson-modules/jackson-custom-conversions/pom.xml
+++ b/jackson-modules/jackson-custom-conversions/pom.xml
@@ -1,6 +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"
-         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>jackson-custom-conversions</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -28,8 +29,6 @@
             <artifactId>jackson-core</artifactId>
             <version>${jackson.version}</version>
         </dependency>
-
-
     </dependencies>
 
     <build>
@@ -42,4 +41,4 @@
         </resources>
     </build>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/jackson-modules/jackson-exceptions/pom.xml b/jackson-modules/jackson-exceptions/pom.xml
index 1a52892523..a24a0ab4b7 100644
--- a/jackson-modules/jackson-exceptions/pom.xml
+++ b/jackson-modules/jackson-exceptions/pom.xml
@@ -1,6 +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"
-         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>jackson-exceptions</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -22,4 +23,4 @@
         </resources>
     </build>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/jackson-modules/jackson/pom.xml b/jackson-modules/jackson/pom.xml
index 615076fc93..a4aecfa3de 100644
--- a/jackson-modules/jackson/pom.xml
+++ b/jackson-modules/jackson/pom.xml
@@ -1,6 +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"
-         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>jackson</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -19,41 +20,34 @@
             <artifactId>jackson-datatype-jsr310</artifactId>
             <version>${jackson.version}</version>
         </dependency>
-
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-joda</artifactId>
             <version>${jackson.version}</version>
         </dependency>
-
         <dependency>
             <groupId>com.fasterxml.jackson.module</groupId>
             <artifactId>jackson-module-jsonSchema</artifactId>
             <version>${jackson.version}</version>
         </dependency>
-
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jdk8</artifactId>
             <version>${jackson.version}</version>
         </dependency>
-
         <!-- test scoped -->
-
         <dependency>
             <groupId>io.rest-assured</groupId>
             <artifactId>json-schema-validator</artifactId>
             <version>${rest-assured.version}</version>
             <scope>test</scope>
         </dependency>
-
         <dependency>
             <groupId>io.rest-assured</groupId>
             <artifactId>json-path</artifactId>
             <version>${rest-assured.version}</version>
             <scope>test</scope>
         </dependency>
-
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
@@ -78,4 +72,4 @@
         <assertj.version>3.11.0</assertj.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/jackson-modules/pom.xml b/jackson-modules/pom.xml
index 819f11c110..3d9d83553e 100644
--- a/jackson-modules/pom.xml
+++ b/jackson-modules/pom.xml
@@ -1,7 +1,7 @@
 <?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">
+    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>jackson-modules</artifactId>
     <name>jackson-modules</name>
@@ -35,7 +35,6 @@
             <artifactId>jackson-dataformat-xml</artifactId>
             <version>${jackson.version}</version>
         </dependency>
-
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>
@@ -53,4 +52,5 @@
     <properties>
         <junit-jupiter.version>5.6.2</junit-jupiter.version>
     </properties>
+
 </project>
\ No newline at end of file
diff --git a/jackson-simple/pom.xml b/jackson-simple/pom.xml
index 8dfd949166..204954ce60 100644
--- a/jackson-simple/pom.xml
+++ b/jackson-simple/pom.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>jackson-simple</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -20,7 +21,6 @@
             <artifactId>jackson-dataformat-xml</artifactId>
             <version>${jackson.version}</version>
         </dependency>
-
         <!-- test scoped -->
         <dependency>
             <groupId>org.junit.jupiter</groupId>
@@ -44,7 +44,6 @@
 
     <build>
         <finalName>jackson-simple</finalName>
-
         <resources>
             <resource>
                 <directory>src/main/resources</directory>
@@ -59,4 +58,4 @@
         <assertj.version>3.11.0</assertj.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-blockchain/pom.xml b/java-blockchain/pom.xml
index 3100fed7b9..6d3910df80 100644
--- a/java-blockchain/pom.xml
+++ b/java-blockchain/pom.xml
@@ -1,7 +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"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xmlns:xsi="http://www.w3.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.blockchain</groupId>
     <artifactId>java-blockchain</artifactId>
diff --git a/java-collections-conversions-2/pom.xml b/java-collections-conversions-2/pom.xml
index 23f20276a3..7845e0d934 100644
--- a/java-collections-conversions-2/pom.xml
+++ b/java-collections-conversions-2/pom.xml
@@ -1,6 +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"
-         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>java-collections-conversions-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -55,4 +56,4 @@
         </resources>
     </build>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-collections-conversions/pom.xml b/java-collections-conversions/pom.xml
index 2073640372..92fc66b480 100644
--- a/java-collections-conversions/pom.xml
+++ b/java-collections-conversions/pom.xml
@@ -1,6 +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"
-         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>java-collections-conversions</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -40,4 +41,5 @@
     <properties>
         <commons-collections4.version>4.1</commons-collections4.version>
     </properties>
-</project>
+    
+</project>
\ No newline at end of file
diff --git a/java-collections-maps-3/pom.xml b/java-collections-maps-3/pom.xml
index 3888623a7f..37a0f617d0 100644
--- a/java-collections-maps-3/pom.xml
+++ b/java-collections-maps-3/pom.xml
@@ -1,7 +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">
+    xmlns:xsi="http://www.w3.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>java-collections-maps-3</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>java-collections-maps-3</name>
+    <packaging>jar</packaging>
+
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-java</artifactId>
@@ -9,12 +15,6 @@
         <relativePath>../parent-java</relativePath>
     </parent>
 
-    <modelVersion>4.0.0</modelVersion>
-    <artifactId>java-collections-maps-3</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
-    <name>java-collections-maps-3</name>
-    <packaging>jar</packaging>
-
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
@@ -28,11 +28,11 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-    <dependency>
-        <groupId>org.apache.commons</groupId>
-        <artifactId>commons-collections4</artifactId>
-        <version>${commons-collections4.version}</version>
-    </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>${commons-collections4.version}</version>
+        </dependency>
     </dependencies>
 
     <properties>
@@ -40,4 +40,4 @@
         <assertj.version>3.6.1</assertj.version>
         <spring.version>5.2.5.RELEASE</spring.version>
     </properties>
-</project>
+</project>
\ No newline at end of file
diff --git a/java-ee-8-security-api/app-auth-basic-store-db/pom.xml b/java-ee-8-security-api/app-auth-basic-store-db/pom.xml
index 02e3b04a40..7307f144a7 100644
--- a/java-ee-8-security-api/app-auth-basic-store-db/pom.xml
+++ b/java-ee-8-security-api/app-auth-basic-store-db/pom.xml
@@ -1,6 +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"
-         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>app-auth-basic-store-db</artifactId>
     <name>app-auth-basic-store-db</name>
@@ -65,4 +66,4 @@
         </plugins>
     </build>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-ee-8-security-api/app-auth-custom-form-store-custom/pom.xml b/java-ee-8-security-api/app-auth-custom-form-store-custom/pom.xml
index 9354782999..729b426049 100644
--- a/java-ee-8-security-api/app-auth-custom-form-store-custom/pom.xml
+++ b/java-ee-8-security-api/app-auth-custom-form-store-custom/pom.xml
@@ -1,6 +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"
-         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>app-auth-custom-form-store-custom</artifactId>
     <name>app-auth-custom-form-store-custom</name>
@@ -39,4 +40,4 @@
         </plugins>
     </build>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-ee-8-security-api/app-auth-custom-no-store/pom.xml b/java-ee-8-security-api/app-auth-custom-no-store/pom.xml
index fee665e22d..da6ed0a1a5 100644
--- a/java-ee-8-security-api/app-auth-custom-no-store/pom.xml
+++ b/java-ee-8-security-api/app-auth-custom-no-store/pom.xml
@@ -1,6 +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"
-         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>app-auth-custom-no-store</artifactId>
     <name>app-auth-custom-no-store</name>
@@ -65,4 +66,4 @@
         </plugins>
     </build>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-ee-8-security-api/app-auth-form-store-ldap/pom.xml b/java-ee-8-security-api/app-auth-form-store-ldap/pom.xml
index f8d19b5750..1dea82992c 100644
--- a/java-ee-8-security-api/app-auth-form-store-ldap/pom.xml
+++ b/java-ee-8-security-api/app-auth-form-store-ldap/pom.xml
@@ -1,6 +1,5 @@
 <?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>
@@ -53,4 +52,4 @@
         <unboundid.ldapsdk.version>4.0.4</unboundid.ldapsdk.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-ee-8-security-api/pom.xml b/java-ee-8-security-api/pom.xml
index 5eeebcb6f0..c01bedbeee 100644
--- a/java-ee-8-security-api/pom.xml
+++ b/java-ee-8-security-api/pom.xml
@@ -1,7 +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"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xmlns:xsi="http://www.w3.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>java-ee-8-security-api</artifactId>
     <version>1.0-SNAPSHOT</version>
@@ -71,4 +71,4 @@
         <openliberty-runtime.version>18.0.0.1</openliberty-runtime.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-native/pom.xml b/java-native/pom.xml
index 29fc13b8d8..95cb24bd98 100644
--- a/java-native/pom.xml
+++ b/java-native/pom.xml
@@ -12,10 +12,6 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
-    <properties>
-        <jna.version>5.6.0</jna.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>net.java.dev.jna</groupId>
@@ -23,7 +19,7 @@
             <version>${jna.version}</version>
         </dependency>
     </dependencies>
-    
+
     <build>
         <plugins>
             <plugin>
@@ -36,4 +32,9 @@
             </plugin>
         </plugins>
     </build>
+
+    <properties>
+        <jna.version>5.6.0</jna.version>
+    </properties>
+
 </project>
\ No newline at end of file
diff --git a/java-numbers-2/pom.xml b/java-numbers-2/pom.xml
index 5c81b00756..466d040b13 100644
--- a/java-numbers-2/pom.xml
+++ b/java-numbers-2/pom.xml
@@ -1,7 +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"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xmlns:xsi="http://www.w3.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>java-numbers-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -42,4 +42,4 @@
         <dsiutils.version>2.6.0</dsiutils.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-numbers-3/pom.xml b/java-numbers-3/pom.xml
index 62225a898f..e8e080c4c0 100644
--- a/java-numbers-3/pom.xml
+++ b/java-numbers-3/pom.xml
@@ -54,4 +54,4 @@
         <assertj.version>3.6.1</assertj.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-numbers-4/pom.xml b/java-numbers-4/pom.xml
index f4b0e23bd7..dbd6ac456a 100644
--- a/java-numbers-4/pom.xml
+++ b/java-numbers-4/pom.xml
@@ -48,4 +48,4 @@
         <assertj.version>3.6.1</assertj.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-numbers/pom.xml b/java-numbers/pom.xml
index fc904c5747..8bab655f73 100644
--- a/java-numbers/pom.xml
+++ b/java-numbers/pom.xml
@@ -1,7 +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"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xmlns:xsi="http://www.w3.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>java-numbers</artifactId>
     <version>0.1.0-SNAPSHOT</version>
@@ -54,4 +54,4 @@
         <assertj.version>3.6.1</assertj.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-rmi/pom.xml b/java-rmi/pom.xml
index 5fa3ac8845..fee5107423 100644
--- a/java-rmi/pom.xml
+++ b/java-rmi/pom.xml
@@ -1,6 +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"
-         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.rmi</groupId>
     <artifactId>java-rmi</artifactId>
@@ -14,4 +15,4 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-spi/exchange-rate-api/pom.xml b/java-spi/exchange-rate-api/pom.xml
index 1630dbf699..8067175cac 100644
--- a/java-spi/exchange-rate-api/pom.xml
+++ b/java-spi/exchange-rate-api/pom.xml
@@ -1,6 +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"
-         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>exchange-rate-api</artifactId>
     <name>exchange-rate-api</name>
@@ -12,4 +13,4 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-spi/exchange-rate-app/pom.xml b/java-spi/exchange-rate-app/pom.xml
index fea9ebe8d9..fbf87eb026 100644
--- a/java-spi/exchange-rate-app/pom.xml
+++ b/java-spi/exchange-rate-app/pom.xml
@@ -1,6 +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"
-         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>exchange-rate-app</artifactId>
     <name>exchange-rate-app</name>
@@ -24,4 +25,4 @@
         <exchange-rate-api.version>1.0.0-SNAPSHOT</exchange-rate-api.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-spi/exchange-rate-impl/pom.xml b/java-spi/exchange-rate-impl/pom.xml
index 553a9e3377..254a8bb809 100644
--- a/java-spi/exchange-rate-impl/pom.xml
+++ b/java-spi/exchange-rate-impl/pom.xml
@@ -1,6 +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"
-         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>exchange-rate-impl</artifactId>
     <name>exchange-rate-impl</name>
@@ -71,4 +72,4 @@
         <maven-dependency-plugin.version>3.1.0</maven-dependency-plugin.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-spi/pom.xml b/java-spi/pom.xml
index 6d4874083d..fac6409b9f 100644
--- a/java-spi/pom.xml
+++ b/java-spi/pom.xml
@@ -1,6 +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"
-         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>java-spi</artifactId>
     <name>java-spi</name>
@@ -18,4 +19,4 @@
         <module>exchange-rate-app</module>
     </modules>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/java-vavr-stream/pom.xml b/java-vavr-stream/pom.xml
index 94520f299d..8358c29003 100644
--- a/java-vavr-stream/pom.xml
+++ b/java-vavr-stream/pom.xml
@@ -1,6 +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"
-         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.samples</groupId>
     <artifactId>java-vavr-stream</artifactId>
diff --git a/java-websocket/pom.xml b/java-websocket/pom.xml
index ddf10c4457..ffc2b0631e 100644
--- a/java-websocket/pom.xml
+++ b/java-websocket/pom.xml
@@ -1,6 +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"
-         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>java-websocket</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -32,4 +33,4 @@
         <gson.version>2.8.0</gson.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/javafx/pom.xml b/javafx/pom.xml
index 50b9e7135c..9b0b6002a8 100644
--- a/javafx/pom.xml
+++ b/javafx/pom.xml
@@ -1,6 +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"
-         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>javafx</artifactId>
     <name>javafx</name>
diff --git a/javax-servlets/pom.xml b/javax-servlets/pom.xml
index 700b823a6e..f1677050cf 100644
--- a/javax-servlets/pom.xml
+++ b/javax-servlets/pom.xml
@@ -1,6 +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"
-         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.javax-servlets</groupId>
     <artifactId>javax-servlets</artifactId>
@@ -21,21 +22,18 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-
         <!-- File Uploading -->
         <dependency>
             <groupId>commons-fileupload</groupId>
             <artifactId>commons-fileupload</artifactId>
             <version>${commons-fileupload.version}</version>
         </dependency>
-
         <!-- Servlet -->
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
             <version>${javax.servlet-api.version}</version>
         </dependency>
-
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
@@ -62,4 +60,4 @@
         <javax.servlet-api.version>4.0.1</javax.servlet-api.version>
     </properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/javaxval/pom.xml b/javaxval/pom.xml
index 2655d1fe3e..d684e9dfe2 100644
--- a/javaxval/pom.xml
+++ b/javaxval/pom.xml
@@ -1,6 +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"
-         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>javaxval</artifactId>
     <version>0.1-SNAPSHOT</version>
@@ -47,4 +48,4 @@
         <org.springframework.version>5.0.2.RELEASE</org.springframework.version>
         <assertj.version>3.11.1</assertj.version>
     </properties>
-</project>
+</project>
\ No newline at end of file
diff --git a/jaxb/pom.xml b/jaxb/pom.xml
index dc13cf75bc..183f7f13cb 100644
--- a/jaxb/pom.xml
+++ b/jaxb/pom.xml
@@ -1,6 +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"
-         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>jaxb</artifactId>
     <version>0.0.1-SNAPSHOT</version>
@@ -34,7 +35,6 @@
                 <filtering>true</filtering>
             </resource>
         </resources>
-
         <pluginManagement>
             <plugins>
                 <plugin>
@@ -55,7 +55,7 @@
                                         </goals>
                                     </pluginExecutionFilter>
                                     <action>
-                                        <execute/>
+                                        <execute />
                                     </action>
                                 </pluginExecution>
                             </pluginExecutions>
@@ -64,9 +64,7 @@
                 </plugin>
             </plugins>
         </pluginManagement>
-
         <plugins>
-
             <!-- xjc -->
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>