diff --git a/apache-olingo/olingo2/pom.xml b/apache-olingo/olingo2/pom.xml
index 1efd4ea602..320f56b717 100644
--- a/apache-olingo/olingo2/pom.xml
+++ b/apache-olingo/olingo2/pom.xml
@@ -3,37 +3,28 @@
 	xmlns:xsi="http://www.w3.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>
-	<parent>
-		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.1.3.RELEASE</version>
-		<relativePath /> <!-- lookup parent from repository -->
-	</parent>
 	<groupId>org.baeldung.examples.olingo2</groupId>
 	<artifactId>olingo2-sample</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<name>olingo2-sample</name>
 	<description>Sample Olingo 2 Project</description>
 
-	<properties>
-		<java.version>1.8</java.version>
-		<olingo2.version>2.0.11</olingo2.version>
-	</properties>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.1.3.RELEASE</version>
+		<relativePath /> <!-- lookup parent from repository -->
+	</parent>
 
 	<dependencies>
-
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-jersey</artifactId>
 		</dependency>
-
-
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-data-jpa</artifactId>
 		</dependency>
-
-
 		<dependency>
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>
@@ -90,4 +81,9 @@
 		</plugins>
 	</build>
 
+	<properties>
+		<java.version>1.8</java.version>
+		<olingo2.version>2.0.11</olingo2.version>
+	</properties>
+
 </project>
diff --git a/apache-spark/pom.xml b/apache-spark/pom.xml
index f0f002a7e9..b8c1962dd4 100644
--- a/apache-spark/pom.xml
+++ b/apache-spark/pom.xml
@@ -49,6 +49,7 @@
 			<version>${com.datastax.spark.spark-cassandra-connector-java.version}</version>
 		</dependency>
     </dependencies>
+
 	<build>
     	<plugins>
     	  	<plugin>
@@ -78,6 +79,7 @@
       		</plugin>
    		</plugins>
   	</build>
+
     <properties>
         <org.apache.spark.spark-core.version>2.3.0</org.apache.spark.spark-core.version>
         <org.apache.spark.spark-sql.version>2.3.0</org.apache.spark.spark-sql.version>
diff --git a/bootique/pom.xml b/bootique/pom.xml
index 4ae8703074..4dd9ba4833 100644
--- a/bootique/pom.xml
+++ b/bootique/pom.xml
@@ -65,7 +65,6 @@
     <properties>
         <main.class>com.baeldung.bootique.App</main.class>
         <bootique-bom.version>0.23</bootique-bom.version>
-
         <maven-shade-plugin.version>2.4.3</maven-shade-plugin.version>
     </properties>
 
diff --git a/core-groovy-2/pom.xml b/core-groovy-2/pom.xml
index b945546c8a..53b3e6a7ec 100644
--- a/core-groovy-2/pom.xml
+++ b/core-groovy-2/pom.xml
@@ -157,20 +157,19 @@
     </repositories>
 
     <pluginRepositories>
-                <pluginRepository>
-                    <id>bintray</id>
-                    <name>Groovy Bintray</name>
-                    <url>https://dl.bintray.com/groovy/maven</url>
-                    <releases>
-                        <!-- avoid automatic updates -->
-                        <updatePolicy>never</updatePolicy>
-                    </releases>
-                    <snapshots>
-                        <enabled>false</enabled>
-                    </snapshots>
-                </pluginRepository>
-            </pluginRepositories>
-
+        <pluginRepository>
+            <id>bintray</id>
+            <name>Groovy Bintray</name>
+            <url>https://dl.bintray.com/groovy/maven</url>
+            <releases>
+                <!-- avoid automatic updates -->
+                <updatePolicy>never</updatePolicy>
+            </releases>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </pluginRepository>
+    </pluginRepositories>
 
     <properties>
         <junit.platform.version>1.0.0</junit.platform.version>
diff --git a/core-java-modules/core-java-8-2/pom.xml b/core-java-modules/core-java-8-2/pom.xml
index 17f0eea20f..07bb3b7543 100644
--- a/core-java-modules/core-java-8-2/pom.xml
+++ b/core-java-modules/core-java-8-2/pom.xml
@@ -9,7 +9,6 @@
     <name>core-java-8-2</name>
     <packaging>jar</packaging>
 
-
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-java</artifactId>
@@ -17,14 +16,6 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <icu.version>64.2</icu.version>
-        <assertj.version>3.12.2</assertj.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>com.ibm.icu</groupId>
@@ -51,6 +42,13 @@
                 </configuration>
             </plugin>
         </plugins>
-
     </build>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <icu.version>64.2</icu.version>
+        <assertj.version>3.12.2</assertj.version>
+    </properties>
 </project>
diff --git a/core-java-modules/core-java-collections-set/pom.xml b/core-java-modules/core-java-collections-set/pom.xml
index 8e2f7707f2..101ed79de0 100644
--- a/core-java-modules/core-java-collections-set/pom.xml
+++ b/core-java-modules/core-java-collections-set/pom.xml
@@ -14,26 +14,26 @@
     </parent>
 
     <dependencies>
-    <dependency>
-        <groupId>com.google.guava</groupId>
-        <artifactId>guava</artifactId>
-        <version>${guava.version}</version>
-    </dependency>
-    <dependency>
-        <groupId>org.apache.commons</groupId>
-        <artifactId>commons-collections4</artifactId>
-        <version>${commons-collections4.version}</version>
-    </dependency>
-    <dependency>
-        <groupId>com.google.code.gson</groupId>
-        <artifactId>gson</artifactId>
-        <version>${gson.version}</version>
-    </dependency>
-    <dependency>
-        <groupId>commons-lang</groupId>
-        <artifactId>commons-lang</artifactId>
-        <version>${commons-lang.version}</version>
-    </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>${commons-collections4.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>${gson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-lang</groupId>
+            <artifactId>commons-lang</artifactId>
+            <version>${commons-lang.version}</version>
+        </dependency>
     </dependencies>
 
     <properties>
diff --git a/core-java-modules/core-java-exceptions/pom.xml b/core-java-modules/core-java-exceptions/pom.xml
index 7bc0aa5b4e..2e5200944a 100644
--- a/core-java-modules/core-java-exceptions/pom.xml
+++ b/core-java-modules/core-java-exceptions/pom.xml
@@ -14,10 +14,6 @@
 		<relativePath>../../parent-java</relativePath>
 	</parent>
 
-	<properties>
-		<commons-lang3.version>3.9</commons-lang3.version>
-	</properties>
-
 	<dependencies>
 		<dependency>
 			<groupId>junit</groupId>
@@ -32,4 +28,8 @@
 		</dependency>
 	</dependencies>
 
+	<properties>
+		<commons-lang3.version>3.9</commons-lang3.version>
+	</properties>
+
 </project>
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 6a41ec0d1a..059075318a 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
@@ -11,6 +11,14 @@
         <version>1.0</version>
     </parent>
     
+    <dependencies>
+        <dependency>
+            <groupId>com.baeldung.servicemodule</groupId>
+            <artifactId>servicemodule</artifactId>
+            <version>1.0</version>           
+        </dependency>
+    </dependencies>
+    
     <build>
         <plugins>
             <plugin>
@@ -19,12 +27,4 @@
             </plugin>
         </plugins>
     </build>
-    
-    <dependencies>
-        <dependency>
-            <groupId>com.baeldung.servicemodule</groupId>
-            <artifactId>servicemodule</artifactId>
-            <version>1.0</version>           
-        </dependency>
-    </dependencies>
 </project>
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 828fe7de6a..757d9229df 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
@@ -2,17 +2,18 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <parent>
-        <artifactId>com.baeldung.decoupling-pattern2</artifactId>
-        <groupId>decoupling-pattern2</groupId>
-        <version>1.0-SNAPSHOT</version>
-    </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>com.baeldung.consumermodule</groupId>
     <artifactId>consumermodule</artifactId>
     <version>1.0</version>
 
+    <parent>
+        <artifactId>com.baeldung.decoupling-pattern2</artifactId>
+        <groupId>decoupling-pattern2</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
     <dependencies>
         <dependency>
             <groupId>com.baeldung.servicemodule</groupId>
diff --git a/core-java-modules/core-java-nio/pom.xml b/core-java-modules/core-java-nio/pom.xml
index 36d6848998..31433e632f 100644
--- a/core-java-modules/core-java-nio/pom.xml
+++ b/core-java-modules/core-java-nio/pom.xml
@@ -8,9 +8,9 @@
     <packaging>jar</packaging>
 
     <parent>
-      <groupId>com.baeldung</groupId>
-      <artifactId>parent-java</artifactId>
-      <version>0.0.1-SNAPSHOT</version>
-      <relativePath>../../parent-java</relativePath>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
     </parent>
 </project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-optional/pom.xml b/core-java-modules/core-java-optional/pom.xml
index f2478c2c87..f60e3ba03d 100644
--- a/core-java-modules/core-java-optional/pom.xml
+++ b/core-java-modules/core-java-optional/pom.xml
@@ -1,22 +1,14 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.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>
-  <parent>
-    <groupId>com.baeldung.core-java-modules</groupId>
-    <artifactId>core-java-modules</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
-  </parent>
-  <artifactId>core-java-optional</artifactId>
-  <version>0.1.0-SNAPSHOT</version>
-  <packaging>jar</packaging>
-
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <hibernate.core.version>5.4.0.Final</hibernate.core.version>
-        <h2database.version>1.4.197</h2database.version>
-        <jackson.databind.version>2.9.8</jackson.databind.version>
-    </properties>
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java-optional</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+	
+    <parent>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <artifactId>core-java-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
   
     <dependencies>
         <dependency>
@@ -50,4 +42,13 @@
         </plugins>
 
     </build>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <hibernate.core.version>5.4.0.Final</hibernate.core.version>
+        <h2database.version>1.4.197</h2database.version>
+        <jackson.databind.version>2.9.8</jackson.databind.version>
+    </properties>
 </project>
\ No newline at end of file
diff --git a/core-java-modules/core-java/pom.xml b/core-java-modules/core-java/pom.xml
index 7942f3e7e2..2f33212c38 100644
--- a/core-java-modules/core-java/pom.xml
+++ b/core-java-modules/core-java/pom.xml
@@ -13,7 +13,6 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
-
     <dependencies>
         <dependency>
             <groupId>commons-io</groupId>
diff --git a/core-java-modules/multimodulemavenproject/entitymodule/pom.xml b/core-java-modules/multimodulemavenproject/entitymodule/pom.xml
index 1fd672d03e..b90a7ed068 100644
--- a/core-java-modules/multimodulemavenproject/entitymodule/pom.xml
+++ b/core-java-modules/multimodulemavenproject/entitymodule/pom.xml
@@ -1,15 +1,16 @@
 <?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>
+    <groupId>com.baeldung.entitymodule</groupId>
+    <artifactId>entitymodule</artifactId>
+    <version>1.0</version>
+    <packaging>jar</packaging>
+
     <parent>
         <groupId>com.baeldung.multimodulemavenproject</groupId>
         <artifactId>multimodulemavenproject</artifactId>
         <version>1.0</version>
     </parent>
-    <groupId>com.baeldung.entitymodule</groupId>
-    <artifactId>entitymodule</artifactId>
-    <version>1.0</version>
-    <packaging>jar</packaging>
     
     <build>
         <plugins>
diff --git a/core-java-modules/multimodulemavenproject/mainappmodule/pom.xml b/core-java-modules/multimodulemavenproject/mainappmodule/pom.xml
index 26e6a15b1e..1f44a1690c 100644
--- a/core-java-modules/multimodulemavenproject/mainappmodule/pom.xml
+++ b/core-java-modules/multimodulemavenproject/mainappmodule/pom.xml
@@ -1,15 +1,16 @@
 <?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>
+    <groupId>com.baeldung.mainappmodule</groupId>
+    <artifactId>mainappmodule</artifactId>
+    <version>1.0</version>
+    <packaging>jar</packaging>
+
     <parent>
         <groupId>com.baeldung.multimodulemavenproject</groupId>
         <artifactId>multimodulemavenproject</artifactId>
         <version>1.0</version>
     </parent>
-    <groupId>com.baeldung.mainappmodule</groupId>
-    <artifactId>mainappmodule</artifactId>
-    <version>1.0</version>
-    <packaging>jar</packaging>
     
     <dependencies>
         <dependency>
diff --git a/core-java-modules/multimodulemavenproject/pom.xml b/core-java-modules/multimodulemavenproject/pom.xml
index d2fb02deb0..ad347a4179 100644
--- a/core-java-modules/multimodulemavenproject/pom.xml
+++ b/core-java-modules/multimodulemavenproject/pom.xml
@@ -14,6 +14,13 @@
         <relativePath>../../</relativePath>
     </parent>
     
+    <modules>
+        <module>entitymodule</module>
+        <module>daomodule</module>
+        <module>userdaomodule</module>
+        <module>mainappmodule</module>
+    </modules>
+    
     <dependencyManagement>
         <dependencies>
             <dependency>
@@ -49,13 +56,6 @@
         </pluginManagement>
     </build>
     
-    <modules>
-        <module>entitymodule</module>
-        <module>daomodule</module>
-        <module>userdaomodule</module>
-        <module>mainappmodule</module>
-    </modules>
-    
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <assertj-core.version>3.12.2</assertj-core.version>
diff --git a/core-java-modules/multimodulemavenproject/userdaomodule/pom.xml b/core-java-modules/multimodulemavenproject/userdaomodule/pom.xml
index 63968452db..d3543d5864 100644
--- a/core-java-modules/multimodulemavenproject/userdaomodule/pom.xml
+++ b/core-java-modules/multimodulemavenproject/userdaomodule/pom.xml
@@ -1,24 +1,16 @@
 <?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>
+    <groupId>com.baeldung.userdaomodule</groupId>
+    <artifactId>userdaomodule</artifactId>
+    <version>1.0</version>
+    <packaging>jar</packaging>
+
     <parent>
         <groupId>com.baeldung.multimodulemavenproject</groupId>
         <artifactId>multimodulemavenproject</artifactId>
         <version>1.0</version>
     </parent>
-    <groupId>com.baeldung.userdaomodule</groupId>
-    <artifactId>userdaomodule</artifactId>
-    <version>1.0</version>
-    <packaging>jar</packaging>
-    
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
     
     <dependencies>
         <dependency>
@@ -33,6 +25,15 @@
         </dependency>
     </dependencies>
     
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+    
     <properties>
         <maven.compiler.source>9</maven.compiler.source>
         <maven.compiler.target>9</maven.compiler.target>
diff --git a/core-java-modules/pre-jpms/pom.xml b/core-java-modules/pre-jpms/pom.xml
index 94180ac6c9..380d94fbf1 100644
--- a/core-java-modules/pre-jpms/pom.xml
+++ b/core-java-modules/pre-jpms/pom.xml
@@ -21,6 +21,7 @@
 			<version>${org.slf4j.version}</version>
 		</dependency>
 	</dependencies>
+
 	<build>
 		<finalName>pre-jpms</finalName>
 		<plugins>
@@ -65,9 +66,9 @@
 					</archive>
 				</configuration>
 			</plugin>
-
 		</plugins>
 	</build>
+
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>
diff --git a/jws/pom.xml b/jws/pom.xml
index 2c89b687f8..6bc790e7ee 100644
--- a/jws/pom.xml
+++ b/jws/pom.xml
@@ -34,6 +34,7 @@
     </dependencies>
 
     <build>
+        <finalName>${project.artifactId}</finalName>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -78,7 +79,6 @@
                 </configuration>
             </plugin>
         </plugins>
-        <finalName>${project.artifactId}</finalName>
     </build>
 
     <properties>
diff --git a/libraries-2/pom.xml b/libraries-2/pom.xml
index 13b7ccef7b..ff73888b69 100644
--- a/libraries-2/pom.xml
+++ b/libraries-2/pom.xml
@@ -5,11 +5,13 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>libraries2</artifactId>
     <name>libraries2</name>
+
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
     </parent>
+
     <repositories>
         <repository>
             <id>jboss-public-repository-group</id>
@@ -25,6 +27,7 @@
             </snapshots>
         </repository>
     </repositories>
+
     <dependencies>
         <dependency>
             <groupId>org.mapdb</groupId>
@@ -141,6 +144,7 @@
             <version>${mesos.library.version}</version>
         </dependency>
     </dependencies>
+
     <properties>
 	    <mapdb.version>3.0.7</mapdb.version>
         <assertj.version>3.6.2</assertj.version>
diff --git a/libraries/pom.xml b/libraries/pom.xml
index 0efb404458..8e787bdc22 100644
--- a/libraries/pom.xml
+++ b/libraries/pom.xml
@@ -18,17 +18,12 @@
             <artifactId>akka-actor_2.12</artifactId>
             <version>${typesafe-akka.version}</version>
         </dependency>
-
-
-
-
         <dependency>
             <groupId>com.typesafe.akka</groupId>
             <artifactId>akka-testkit_2.12</artifactId>
             <version>${typesafe-akka.version}</version>
             <scope>test</scope>
         </dependency>
-        
         <!-- https://mvnrepository.com/artifact/org.beykery/neuroph/2.92 -->
         <dependency>
             <groupId>org.beykery</groupId>
diff --git a/maven-java-11/multimodule-maven-project/daomodule/pom.xml b/maven-java-11/multimodule-maven-project/daomodule/pom.xml
index de9be656d4..5520c5a90a 100644
--- a/maven-java-11/multimodule-maven-project/daomodule/pom.xml
+++ b/maven-java-11/multimodule-maven-project/daomodule/pom.xml
@@ -1,14 +1,15 @@
 <?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>
-    <parent>
-        <groupId>com.baeldung.multimodule-maven-project</groupId>
-        <artifactId>multimodule-maven-project</artifactId>
-        <version>1.0</version>
-    </parent>
     <groupId>com.baeldung.daomodule</groupId>
     <artifactId>daomodule</artifactId>
     <packaging>jar</packaging>
     <version>1.0</version>
     <name>daomodule</name>
+	
+    <parent>
+        <groupId>com.baeldung.multimodule-maven-project</groupId>
+        <artifactId>multimodule-maven-project</artifactId>
+        <version>1.0</version>
+    </parent>
 </project>
diff --git a/maven-java-11/multimodule-maven-project/entitiymodule/pom.xml b/maven-java-11/multimodule-maven-project/entitiymodule/pom.xml
index 8e700e62b5..747722e912 100644
--- a/maven-java-11/multimodule-maven-project/entitiymodule/pom.xml
+++ b/maven-java-11/multimodule-maven-project/entitiymodule/pom.xml
@@ -1,16 +1,18 @@
 <?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>
-    <parent>
-        <groupId>com.baeldung.multimodule-maven-project</groupId>
-        <artifactId>multimodule-maven-project</artifactId>
-        <version>1.0</version>
-    </parent>
     <groupId>com.baeldung.entitymodule</groupId>
     <artifactId>entitymodule</artifactId>
     <packaging>jar</packaging>
     <version>1.0</version>
     <name>entitymodule</name>
+
+    <parent>
+        <groupId>com.baeldung.multimodule-maven-project</groupId>
+        <artifactId>multimodule-maven-project</artifactId>
+        <version>1.0</version>
+    </parent>
+
     <properties>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
diff --git a/maven-java-11/multimodule-maven-project/mainppmodule/pom.xml b/maven-java-11/multimodule-maven-project/mainppmodule/pom.xml
index d2c94527f1..3e5ec122ff 100644
--- a/maven-java-11/multimodule-maven-project/mainppmodule/pom.xml
+++ b/maven-java-11/multimodule-maven-project/mainppmodule/pom.xml
@@ -1,16 +1,17 @@
 <?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>
-    <parent>
-        <groupId>com.baeldung.multimodule-maven-project</groupId>
-        <artifactId>multimodule-maven-project</artifactId>
-        <version>1.0</version>
-    </parent>
     <groupId>com.baeldung.mainappmodule</groupId>
     <artifactId>mainappmodule</artifactId>
     <version>1.0</version>
     <packaging>jar</packaging>
     <name>mainappmodule</name>
+
+    <parent>
+        <groupId>com.baeldung.multimodule-maven-project</groupId>
+        <artifactId>multimodule-maven-project</artifactId>
+        <version>1.0</version>
+    </parent>
     
     <dependencies>
         <dependency>
diff --git a/maven-java-11/multimodule-maven-project/pom.xml b/maven-java-11/multimodule-maven-project/pom.xml
index f22541738c..7e2eb0dd7b 100644
--- a/maven-java-11/multimodule-maven-project/pom.xml
+++ b/maven-java-11/multimodule-maven-project/pom.xml
@@ -6,12 +6,20 @@
     <version>1.0</version>
     <packaging>pom</packaging>
     <name>multimodule-maven-project</name>
+
     <parent>
         <groupId>com.baeldung.maven-java-11</groupId>
         <artifactId>maven-java-11</artifactId>
         <version>1.0</version>
     </parent>
     
+    <modules>
+        <module>entitymodule</module>
+        <module>daomodule</module>
+        <module>userdaomodule</module>
+        <module>mainappmodule</module>
+    </modules>
+    
     <dependencyManagement>
         <dependencies>
             <dependency>
@@ -45,13 +53,6 @@
         </pluginManagement>
     </build>
     
-    <modules>
-        <module>entitymodule</module>
-        <module>daomodule</module>
-        <module>userdaomodule</module>
-        <module>mainappmodule</module>
-    </modules>
-    
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
diff --git a/maven-java-11/multimodule-maven-project/userdaomodule/pom.xml b/maven-java-11/multimodule-maven-project/userdaomodule/pom.xml
index b4fe7f0398..68e7ae9b82 100644
--- a/maven-java-11/multimodule-maven-project/userdaomodule/pom.xml
+++ b/maven-java-11/multimodule-maven-project/userdaomodule/pom.xml
@@ -1,16 +1,18 @@
 <?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>
-    <parent>
-        <groupId>com.baeldung.multimodule-maven-project</groupId>
-        <artifactId>multimodule-maven-project</artifactId>
-        <version>1.0</version>
-    </parent>
     <groupId>com.baeldung.userdaomodule</groupId>
     <artifactId>userdaomodule</artifactId>
     <version>1.0</version>
     <packaging>jar</packaging>
     <name>userdaomodule</name>
+	
+    <parent>
+        <groupId>com.baeldung.multimodule-maven-project</groupId>
+        <artifactId>multimodule-maven-project</artifactId>
+        <version>1.0</version>
+    </parent>
+	
     <dependencies>
         <dependency>
             <groupId>com.baeldung.entitymodule</groupId>
diff --git a/maven-java-11/pom.xml b/maven-java-11/pom.xml
index ff95840523..5ae4c00892 100644
--- a/maven-java-11/pom.xml
+++ b/maven-java-11/pom.xml
@@ -6,14 +6,17 @@
     <version>1.0</version>
     <packaging>pom</packaging>
     <name>maven-java-11</name>
+
     <parent>
-	<artifactId>parent-modules</artifactId>
-	<groupId>com.baeldung</groupId>
-	<version>1.0.0-SNAPSHOT</version>
+        <artifactId>parent-modules</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>1.0.0-SNAPSHOT</version>
     </parent>
+
     <modules>
         <module>multimodule-maven-project</module>
     </modules>
+
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>11</maven.compiler.source>
diff --git a/maven/pom.xml b/maven/pom.xml
index 942bf683e2..ecb031fc11 100644
--- a/maven/pom.xml
+++ b/maven/pom.xml
@@ -4,12 +4,13 @@
     <groupId>com.baeldung</groupId>
     <artifactId>maven</artifactId>
     <version>0.0.1-SNAPSHOT</version>
+    <name>maven</name>
+    <packaging>pom</packaging>
+
     <modules>
         <module>custom-rule</module>
         <module>maven-enforcer</module>
     </modules>
-    <name>maven</name>
-    <packaging>pom</packaging>
 
     <dependencies>
         <dependency>
diff --git a/maven/versions-maven-plugin/pom.xml b/maven/versions-maven-plugin/pom.xml
index dc0cba75f9..e0714bf0e0 100644
--- a/maven/versions-maven-plugin/pom.xml
+++ b/maven/versions-maven-plugin/pom.xml
@@ -6,10 +6,6 @@
     <artifactId>versions-maven-plugin</artifactId>
     <version>0.0.1-SNAPSHOT</version>
 	<name>versions-maven-plugin</name>
-	
-    <properties>        
-        <commons-compress-version>1.15</commons-compress-version>
-    </properties>
 
     <dependencies>
 
@@ -73,5 +69,9 @@
             </snapshots>
         </repository>
     </repositories>
+	
+    <properties>        
+        <commons-compress-version>1.15</commons-compress-version>
+    </properties>
 
 </project>
\ No newline at end of file
diff --git a/msf4j/pom.xml b/msf4j/pom.xml
index 4a6f63159d..2a862ac289 100644
--- a/msf4j/pom.xml
+++ b/msf4j/pom.xml
@@ -23,6 +23,7 @@
 			</dependency>
 		</dependencies>		
 	</dependencyManagement>
+	
 	<dependencies>
 		<dependency>
 			<groupId>org.wso2.msf4j</groupId>
diff --git a/optaplanner/pom.xml b/optaplanner/pom.xml
index fbce0ea072..93b1e68264 100644
--- a/optaplanner/pom.xml
+++ b/optaplanner/pom.xml
@@ -18,11 +18,6 @@
             <artifactId>optaplanner-core</artifactId>
             <version>7.9.0.Final</version>
         </dependency>
-
-        <!--<dependency>-->
-            <!--<groupId></groupId>-->
-            <!--<artifactId></artifactId>-->
-        <!--</dependency>-->
     </dependencies>
 
 </project>
\ No newline at end of file
diff --git a/parent-boot-performance/pom.xml b/parent-boot-performance/pom.xml
index b1c6854eae..b7d12e2ba4 100644
--- a/parent-boot-performance/pom.xml
+++ b/parent-boot-performance/pom.xml
@@ -13,13 +13,6 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
-    <properties>
-        <rest-assured.version>3.1.0</rest-assured.version>
-        <!-- plugins -->
-        <thin.version>1.0.21.RELEASE</thin.version>
-        <spring-boot.version>2.2.0.M3</spring-boot.version>
-    </properties>
-
     <dependencyManagement>
         <dependencies>
             <dependency>
@@ -31,6 +24,7 @@
             </dependency>
         </dependencies>
     </dependencyManagement>
+	
     <dependencies>
         <dependency>
             <groupId>io.rest-assured</groupId>
@@ -88,4 +82,11 @@
             </build>
         </profile>
     </profiles>
+
+    <properties>
+        <rest-assured.version>3.1.0</rest-assured.version>
+        <!-- plugins -->
+        <thin.version>1.0.21.RELEASE</thin.version>
+        <spring-boot.version>2.2.0.M3</spring-boot.version>
+    </properties>
 </project>
diff --git a/patterns/design-patterns/pom.xml b/patterns/design-patterns/pom.xml
index ac201ad653..e6bff64f9e 100644
--- a/patterns/design-patterns/pom.xml
+++ b/patterns/design-patterns/pom.xml
@@ -48,6 +48,7 @@
             <version>${grep4j.version}</version>
         </dependency>
     </dependencies>
+	
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
diff --git a/persistence-modules/hibernate-mapping/pom.xml b/persistence-modules/hibernate-mapping/pom.xml
index 6845295812..509c54ca75 100644
--- a/persistence-modules/hibernate-mapping/pom.xml
+++ b/persistence-modules/hibernate-mapping/pom.xml
@@ -2,6 +2,9 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <artifactId>hibernate-mapping</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <modelVersion>4.0.0</modelVersion>
 
     <parent>
         <groupId>com.baeldung</groupId>
@@ -10,10 +13,6 @@
         <relativePath>..</relativePath>
     </parent>
 
-    <artifactId>hibernate-mapping</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
-    <modelVersion>4.0.0</modelVersion>
-
     <dependencies>
         <dependency>
             <groupId>org.hibernate</groupId>
diff --git a/persistence-modules/java-jpa/pom.xml b/persistence-modules/java-jpa/pom.xml
index 978679cfe6..ced049d281 100644
--- a/persistence-modules/java-jpa/pom.xml
+++ b/persistence-modules/java-jpa/pom.xml
@@ -104,6 +104,7 @@
 			</plugin>
 		</plugins>
 	</build>
+
     <properties>
         <hibernate.version>5.4.0.Final</hibernate.version>
         <eclipselink.version>2.7.4-RC1</eclipselink.version>
diff --git a/persistence-modules/java-mongodb/pom.xml b/persistence-modules/java-mongodb/pom.xml
index 0f5efedb96..dc4503c95e 100644
--- a/persistence-modules/java-mongodb/pom.xml
+++ b/persistence-modules/java-mongodb/pom.xml
@@ -22,8 +22,6 @@
             <version>${flapdoodle.version}</version>
             <scope>test</scope>
         </dependency>
-
-
         <dependency>
             <groupId>org.mongodb</groupId>
             <artifactId>mongo-java-driver</artifactId>
diff --git a/persistence-modules/jpa-hibernate-cascade-type/pom.xml b/persistence-modules/jpa-hibernate-cascade-type/pom.xml
index 8cfc2a5fa2..a45f297a6b 100644
--- a/persistence-modules/jpa-hibernate-cascade-type/pom.xml
+++ b/persistence-modules/jpa-hibernate-cascade-type/pom.xml
@@ -2,6 +2,10 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <artifactId>jpa-hibernate-cascade-type</artifactId>
+    <modelVersion>4.0.0</modelVersion>
+    <version>1.0.0-SNAPSHOT</version>
+	
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
@@ -9,10 +13,6 @@
         <relativePath>../../</relativePath>
     </parent>
 
-    <artifactId>jpa-hibernate-cascade-type</artifactId>
-    <modelVersion>4.0.0</modelVersion>
-    <version>1.0.0-SNAPSHOT</version>
-
     <dependencies>
         <dependency>
             <groupId>org.hibernate</groupId>
diff --git a/software-security/sql-injection-samples/pom.xml b/software-security/sql-injection-samples/pom.xml
index b12b479614..5c3256319e 100644
--- a/software-security/sql-injection-samples/pom.xml
+++ b/software-security/sql-injection-samples/pom.xml
@@ -16,13 +16,10 @@
     </parent>	
 
 	<dependencies>
-	
-	
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-jdbc</artifactId>
 		</dependency>
-
 		<dependency>
 			<groupId>org.apache.derby</groupId>
 			<artifactId>derby</artifactId>
@@ -43,18 +40,14 @@
 			<artifactId>lombok</artifactId>
 			<scope>provided</scope>
 		</dependency>
-
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-data-jpa</artifactId>
 		</dependency>
-		
 		<dependency>
 		    <groupId>org.hibernate</groupId>
 		    <artifactId>hibernate-jpamodelgen</artifactId>
 		</dependency>
-
-
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-devtools</artifactId>
diff --git a/spf4j/spf4j-aspects-app/pom.xml b/spf4j/spf4j-aspects-app/pom.xml
index 9fccec673a..1c707f4d87 100644
--- a/spf4j/spf4j-aspects-app/pom.xml
+++ b/spf4j/spf4j-aspects-app/pom.xml
@@ -6,12 +6,14 @@
     <version>0.0.1-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>spf4j-aspects-app</name>
+
     <parent>
         <artifactId>parent-modules</artifactId>
         <groupId>com.baeldung</groupId>
         <version>1.0.0-SNAPSHOT</version>
         <relativePath>../../</relativePath>
     </parent>
+
     <dependencies>
         <dependency>
             <groupId>org.spf4j</groupId>
@@ -29,6 +31,7 @@
             <version>${org.slf4j.version}</version>
         </dependency>
     </dependencies>
+
     <build>
         <finalName>spf4j-aspects-app</finalName>
         <plugins>
@@ -75,6 +78,7 @@
             </plugin>
         </plugins>
     </build>
+	
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spf4j.version>8.6.10</spf4j.version>
diff --git a/spf4j/spf4j-core-app/pom.xml b/spf4j/spf4j-core-app/pom.xml
index ae346065ef..9f490d9f06 100644
--- a/spf4j/spf4j-core-app/pom.xml
+++ b/spf4j/spf4j-core-app/pom.xml
@@ -6,12 +6,14 @@
     <version>0.0.1-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>spf4j-core-app</name>
+
     <parent>
         <artifactId>parent-modules</artifactId>
         <groupId>com.baeldung</groupId>
         <version>1.0.0-SNAPSHOT</version>
         <relativePath>../../</relativePath>
     </parent>
+
     <dependencies>
         <dependency>
             <groupId>org.spf4j</groupId>
@@ -29,6 +31,7 @@
             <version>${org.slf4j.version}</version>
         </dependency>
     </dependencies>
+
     <build>
         <finalName>spf4j-core-app</finalName>
         <plugins>
@@ -75,6 +78,7 @@
             </plugin>
         </plugins>
     </build>
+
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spf4j.version>8.6.10</spf4j.version>
diff --git a/spring-5-security-cognito/pom.xml b/spring-5-security-cognito/pom.xml
index c7314d6f9f..431c9b8d9c 100644
--- a/spring-5-security-cognito/pom.xml
+++ b/spring-5-security-cognito/pom.xml
@@ -48,7 +48,6 @@
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-oauth2-jose</artifactId>
         </dependency>
-
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-test</artifactId>
diff --git a/spring-5-webflux/pom.xml b/spring-5-webflux/pom.xml
index c1f537d2fe..6317723467 100644
--- a/spring-5-webflux/pom.xml
+++ b/spring-5-webflux/pom.xml
@@ -28,11 +28,6 @@
         </dependencies>
     </dependencyManagement>
 
-    <properties>
-        <java.version>1.8</java.version>
-        <spring-boot.version>2.2.0.M3</spring-boot.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -86,6 +81,7 @@
             <url>https://repo.spring.io/milestone</url>
         </repository>
     </repositories>
+
     <pluginRepositories>
         <pluginRepository>
             <id>spring-snapshots</id>
@@ -101,4 +97,9 @@
             <url>https://repo.spring.io/milestone</url>
         </pluginRepository>
     </pluginRepositories>
+
+    <properties>
+        <java.version>1.8</java.version>
+        <spring-boot.version>2.2.0.M3</spring-boot.version>
+    </properties>
 </project>
diff --git a/spring-boot-angular/pom.xml b/spring-boot-angular/pom.xml
index 6ea98eb3d0..62a2701dd0 100644
--- a/spring-boot-angular/pom.xml
+++ b/spring-boot-angular/pom.xml
@@ -6,15 +6,13 @@
     <name>spring-boot-angular</name>
     <version>1.0</version>
     <packaging>jar</packaging>
+
     <parent>
         <artifactId>parent-boot-2</artifactId>
 	    <groupId>com.baeldung</groupId>
 	    <version>0.0.1-SNAPSHOT</version>
 	    <relativePath>../../parent-boot-2</relativePath>
     </parent>
-    <properties>
-        <java.version>1.8</java.version>
-    </properties>
 
     <dependencies>
         <dependency>
@@ -47,4 +45,7 @@
         </plugins>
     </build>
 
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
 </project>
diff --git a/spring-boot-flowable/pom.xml b/spring-boot-flowable/pom.xml
index f9531a1e6a..f7fc943389 100644
--- a/spring-boot-flowable/pom.xml
+++ b/spring-boot-flowable/pom.xml
@@ -7,12 +7,14 @@
 	<packaging>war</packaging>
 	<name>spring-boot-flowable</name>
 	<description>Spring Boot Flowable Module</description>
+	
 	<parent>
 		<artifactId>parent-boot-2</artifactId>
 		<groupId>com.baeldung</groupId>
 		<version>0.0.1-SNAPSHOT</version>
 		<relativePath>../parent-boot-2</relativePath>
 	</parent>
+	
 	<dependencies>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -44,6 +46,7 @@
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
+	
 	<build>
 		<plugins>
 			<plugin>
@@ -52,6 +55,7 @@
 			</plugin>
 		</plugins>
 	</build>
+	
 	<properties>
 		<flowable.version>6.4.1</flowable.version>
 	</properties>
diff --git a/spring-boot-mvc-birt/pom.xml b/spring-boot-mvc-birt/pom.xml
index 8f41e8410a..6feb2a7611 100644
--- a/spring-boot-mvc-birt/pom.xml
+++ b/spring-boot-mvc-birt/pom.xml
@@ -9,6 +9,7 @@
     <version>0.0.1-SNAPSHOT</version>
     <packaging>jar</packaging>
     <description>Module For Spring Boot Integration with BIRT</description>
+	
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
diff --git a/spring-boot-ops-2/pom.xml b/spring-boot-ops-2/pom.xml
index dc5280df48..74fcd79169 100644
--- a/spring-boot-ops-2/pom.xml
+++ b/spring-boot-ops-2/pom.xml
@@ -3,6 +3,10 @@
     xmlns:xsi="http://www.w3.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>
+    <artifactId>spring-boot-ops-2</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>spring-boot-ops-2</name>
 
     <parent>
         <artifactId>parent-boot-2</artifactId>
@@ -11,11 +15,6 @@
         <relativePath>../parent-boot-2</relativePath>
     </parent>
 
-    <groupId>com.baeldung</groupId>
-    <artifactId>spring-boot-ops-2</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
-    <name>spring-boot-ops-2</name>
-
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-performance/pom.xml b/spring-boot-performance/pom.xml
index bbee7493cc..f51df8bc0c 100644
--- a/spring-boot-performance/pom.xml
+++ b/spring-boot-performance/pom.xml
@@ -14,11 +14,6 @@
         <relativePath>../parent-boot-performance</relativePath>
     </parent>
 
-    <properties>
-        <!-- The main class to start by executing java -jar -->
-        <start-class>com.baeldung.lazyinitialization.Application</start-class>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -42,4 +37,9 @@
             </plugin>
         </plugins>
     </build>
+
+    <properties>
+        <!-- The main class to start by executing java -jar -->
+        <start-class>com.baeldung.lazyinitialization.Application</start-class>
+    </properties>
 </project>
\ No newline at end of file
diff --git a/spring-cloud/spring-cloud-bootstrap/gateway/pom.xml b/spring-cloud/spring-cloud-bootstrap/gateway/pom.xml
index 4f9c60a26a..6cbaa5ac2d 100644
--- a/spring-cloud/spring-cloud-bootstrap/gateway/pom.xml
+++ b/spring-cloud/spring-cloud-bootstrap/gateway/pom.xml
@@ -97,6 +97,7 @@
             </plugin>
         </plugins>
     </build>
+
     <properties>
         <spring-cloud-dependencies.version>Dalston.RELEASE</spring-cloud-dependencies.version>
     </properties>
diff --git a/spring-cloud/spring-cloud-config/client/pom.xml b/spring-cloud/spring-cloud-config/client/pom.xml
index c55f9bc471..14b0d2f9b1 100644
--- a/spring-cloud/spring-cloud-config/client/pom.xml
+++ b/spring-cloud/spring-cloud-config/client/pom.xml
@@ -20,8 +20,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            </dependency>
-
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
diff --git a/spring-cloud/spring-cloud-config/server/pom.xml b/spring-cloud/spring-cloud-config/server/pom.xml
index b4be7663e2..674749a48d 100644
--- a/spring-cloud/spring-cloud-config/server/pom.xml
+++ b/spring-cloud/spring-cloud-config/server/pom.xml
@@ -24,8 +24,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            </dependency>
-
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
diff --git a/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/pom.xml b/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/pom.xml
index dffbd29206..7a0fa7db10 100644
--- a/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/pom.xml
+++ b/spring-cloud/spring-cloud-contract/spring-cloud-contract-producer/pom.xml
@@ -31,6 +31,7 @@
             <artifactId>spring-boot-starter-data-rest</artifactId>
         </dependency>
     </dependencies>
+
     <build>
         <plugins>
             <plugin>
diff --git a/spring-cloud/spring-cloud-eureka/pom.xml b/spring-cloud/spring-cloud-eureka/pom.xml
index e8e3d67805..5afb006d41 100644
--- a/spring-cloud/spring-cloud-eureka/pom.xml
+++ b/spring-cloud/spring-cloud-eureka/pom.xml
@@ -9,18 +9,18 @@
     <description>Spring Cloud Eureka Server and Sample Clients</description>
     <packaging>pom</packaging>
 
-    <modules>
-        <module>spring-cloud-eureka-server</module>
-        <module>spring-cloud-eureka-client</module>
-        <module>spring-cloud-eureka-feign-client</module>
-    </modules>
-
     <parent>
         <groupId>com.baeldung.spring.cloud</groupId>
         <artifactId>spring-cloud</artifactId>
         <version>1.0.0-SNAPSHOT</version>
         <relativePath>..</relativePath>
     </parent>
+
+    <modules>
+        <module>spring-cloud-eureka-server</module>
+        <module>spring-cloud-eureka-client</module>
+        <module>spring-cloud-eureka-feign-client</module>
+    </modules>
     
     <dependencies>
         <dependency>
diff --git a/spring-cloud/spring-cloud-openfeign/pom.xml b/spring-cloud/spring-cloud-openfeign/pom.xml
index 002a333749..92de33572b 100644
--- a/spring-cloud/spring-cloud-openfeign/pom.xml
+++ b/spring-cloud/spring-cloud-openfeign/pom.xml
@@ -9,7 +9,6 @@
     <name>openfeign</name>
     <description>OpenFeign project for Spring Boot</description>
 
-
     <parent>
         <artifactId>parent-boot-2</artifactId>
         <groupId>com.baeldung</groupId>
@@ -17,12 +16,6 @@
         <relativePath>../../parent-boot-2</relativePath>
     </parent>
 
-    <properties>
-        <spring-boot.version>2.0.1.RELEASE</spring-boot.version>
-        <spring-cloud.version>Finchley.SR2</spring-cloud.version>
-    </properties>
-
-
     <dependencies>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
@@ -58,4 +51,9 @@
         </dependencies>
     </dependencyManagement>
 
+    <properties>
+        <spring-boot.version>2.0.1.RELEASE</spring-boot.version>
+        <spring-cloud.version>Finchley.SR2</spring-cloud.version>
+    </properties>
+
 </project>
diff --git a/spring-cloud/spring-cloud-security/auth-client/pom.xml b/spring-cloud/spring-cloud-security/auth-client/pom.xml
index 4152552640..c414e584e5 100644
--- a/spring-cloud/spring-cloud-security/auth-client/pom.xml
+++ b/spring-cloud/spring-cloud-security/auth-client/pom.xml
@@ -13,6 +13,18 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>${spring-cloud.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -78,18 +90,6 @@
         </plugins>
     </build>
 
-    <dependencyManagement>
-        <dependencies>
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-dependencies</artifactId>
-                <version>${spring-cloud.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
-
     <properties>
         <js-cookie.version>2.2.0</js-cookie.version>
         <spring-cloud.version>Greenwich.SR1</spring-cloud.version>
diff --git a/spring-core-2/pom.xml b/spring-core-2/pom.xml
index 8e4c539e3b..bb4ca9701b 100644
--- a/spring-core-2/pom.xml
+++ b/spring-core-2/pom.xml
@@ -2,15 +2,15 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.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-core-2</artifactId>
+
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-spring-5</artifactId>
         <version>0.0.1-SNAPSHOT</version>
         <relativePath>../parent-spring-5</relativePath>
     </parent>
-    <modelVersion>4.0.0</modelVersion>
-
-    <artifactId>spring-core-2</artifactId>
 
     <dependencies>
         <dependency>
diff --git a/spring-mvc-java/pom.xml b/spring-mvc-java/pom.xml
index 853d8db64c..e5dd5ad9e1 100644
--- a/spring-mvc-java/pom.xml
+++ b/spring-mvc-java/pom.xml
@@ -15,8 +15,8 @@
     </parent>
 
     <dependencies>
-    <dependency>
-         <groupId>org.springframework</groupId>
+        <dependency>
+            <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
             <version>${spring.version}</version>
         </dependency>
@@ -34,7 +34,6 @@
             <groupId>javax.servlet</groupId>
             <artifactId>jstl</artifactId>
             <version>${jstl.version}</version>
-            
         </dependency>
         <!-- Jackson -->
         <dependency>
@@ -134,17 +133,17 @@
             <artifactId>gson</artifactId>
             <version>2.8.5</version>
         </dependency>
-     <dependency>
-    <groupId>org.springframework</groupId>
-    <artifactId>spring-websocket</artifactId>
-    <version>${spring.version}</version>
-</dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-websocket</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
  
-<dependency>
-    <groupId>org.springframework</groupId>
-    <artifactId>spring-messaging</artifactId>
-    <version>${spring.version}</version>
-</dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-messaging</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/spring-security-kerberos/pom.xml b/spring-security-kerberos/pom.xml
index 35c4ba4926..d98d0ff508 100644
--- a/spring-security-kerberos/pom.xml
+++ b/spring-security-kerberos/pom.xml
@@ -7,12 +7,14 @@
 	<version>0.1-SNAPSHOT</version>
 	<name>spring-security-kerberos</name>
 	<packaging>war</packaging>
+	
 	<parent>
 		<artifactId>parent-boot-1</artifactId>
 		<groupId>com.baeldung</groupId>
 		<version>0.0.1-SNAPSHOT</version>
 		<relativePath>../parent-boot-1</relativePath>
 	</parent>
+	
 	<dependencies>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -50,6 +52,7 @@
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
+	
 	<build>
 		<plugins>
 			<plugin>
diff --git a/spring-session/spring-session-mongodb/pom.xml b/spring-session/spring-session-mongodb/pom.xml
index 16fbaccc84..dc055ff32d 100644
--- a/spring-session/spring-session-mongodb/pom.xml
+++ b/spring-session/spring-session-mongodb/pom.xml
@@ -42,11 +42,6 @@
         </dependency>
     </dependencies>
 
-    <properties>
-        <spring-session-data-mongodb.version>2.1.3.RELEASE</spring-session-data-mongodb.version>
-        <spring-boot-starter-data-mongodb.version>2.1.5.RELEASE</spring-boot-starter-data-mongodb.version>
-    </properties>
-
     <build>
         <plugins>
             <plugin>
@@ -56,4 +51,9 @@
         </plugins>
     </build>
 
+    <properties>
+        <spring-session-data-mongodb.version>2.1.3.RELEASE</spring-session-data-mongodb.version>
+        <spring-boot-starter-data-mongodb.version>2.1.5.RELEASE</spring-boot-starter-data-mongodb.version>
+    </properties>
+
 </project>
\ No newline at end of file
diff --git a/spring-soap/pom.xml b/spring-soap/pom.xml
index ba05eddf5d..16f19b681f 100644
--- a/spring-soap/pom.xml
+++ b/spring-soap/pom.xml
@@ -13,11 +13,6 @@
         <relativePath>../parent-boot-2</relativePath>
     </parent>
 
-    <properties>
-        <java.version>1.8</java.version>
-        <spring-boot.version>2.1.2.RELEASE</spring-boot.version>
-    </properties>
-
     <dependencies>
         <!-- tag::springws[] -->
         <dependency>
@@ -66,4 +61,9 @@
         </plugins>
     </build>
 
+    <properties>
+        <java.version>1.8</java.version>
+        <spring-boot.version>2.1.2.RELEASE</spring-boot.version>
+    </properties>
+
 </project>
diff --git a/spring-thymeleaf-2/pom.xml b/spring-thymeleaf-2/pom.xml
index bc1147cb14..1b95cac43c 100644
--- a/spring-thymeleaf-2/pom.xml
+++ b/spring-thymeleaf-2/pom.xml
@@ -23,11 +23,6 @@
         </dependency>
     </dependencies>
 
-    <properties>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-    </properties>
-
     <build>
         <plugins>
             <plugin>
@@ -37,4 +32,9 @@
         </plugins>
         <finalName>spring-thymeleaf-2</finalName>
     </build>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
 </project>
diff --git a/testing-modules/gatling/pom.xml b/testing-modules/gatling/pom.xml
index 158da176c6..e708d939e4 100644
--- a/testing-modules/gatling/pom.xml
+++ b/testing-modules/gatling/pom.xml
@@ -14,6 +14,31 @@
         <version>1.0.0-SNAPSHOT</version>
         <relativePath>../../</relativePath>
     </parent>
+
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>io.gatling</groupId>
+				<artifactId>gatling-app</artifactId>
+				<version>${gatling.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>io.gatling</groupId>
+				<artifactId>gatling-recorder</artifactId>
+				<version>${gatling.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>io.gatling.highcharts</groupId>
+				<artifactId>gatling-charts-highcharts</artifactId>
+				<version>${gatling.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.scala-lang</groupId>
+				<artifactId>scala-library</artifactId>
+				<version>${scala.version}</version>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
     
 	<dependencies>
 		<dependency>
@@ -77,52 +102,27 @@
 			<id>simulation</id>
 			<build>
 				<plugins>
-			<plugin>
-				<groupId>io.gatling</groupId>
-				<artifactId>gatling-maven-plugin</artifactId>
-				<version>${gatling-maven-plugin.version}</version>
-				<executions>
-					<execution>
-						<phase>test</phase>
-						<goals>
-							<goal>execute</goal>
-						</goals>
-						<configuration>
-  							<disableCompiler>true</disableCompiler>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
-		</plugins>
-	</build>
+					<plugin>
+						<groupId>io.gatling</groupId>
+						<artifactId>gatling-maven-plugin</artifactId>
+						<version>${gatling-maven-plugin.version}</version>
+						<executions>
+							<execution>
+								<phase>test</phase>
+								<goals>
+									<goal>execute</goal>
+								</goals>
+								<configuration>
+									<disableCompiler>true</disableCompiler>
+								</configuration>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
 		</profile>
 	</profiles>
 
-	<dependencyManagement>
-		<dependencies>
-			<dependency>
-				<groupId>io.gatling</groupId>
-				<artifactId>gatling-app</artifactId>
-				<version>${gatling.version}</version>
-			</dependency>
-			<dependency>
-				<groupId>io.gatling</groupId>
-				<artifactId>gatling-recorder</artifactId>
-				<version>${gatling.version}</version>
-			</dependency>
-			<dependency>
-				<groupId>io.gatling.highcharts</groupId>
-				<artifactId>gatling-charts-highcharts</artifactId>
-				<version>${gatling.version}</version>
-			</dependency>
-			<dependency>
-				<groupId>org.scala-lang</groupId>
-				<artifactId>scala-library</artifactId>
-				<version>${scala.version}</version>
-			</dependency>
-		</dependencies>
-	</dependencyManagement>
-
 	<properties>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
diff --git a/testing-modules/mocks/mock-comparisons/pom.xml b/testing-modules/mocks/mock-comparisons/pom.xml
index ae36280300..e454f124ce 100644
--- a/testing-modules/mocks/mock-comparisons/pom.xml
+++ b/testing-modules/mocks/mock-comparisons/pom.xml
@@ -49,7 +49,6 @@
         <mockito.version>2.21.0</mockito.version>
         <easymock.version>3.5.1</easymock.version>
         <jmockit.version>1.41</jmockit.version>
-        
     </properties>
 
 </project>
diff --git a/xmlunit-2/pom.xml b/xmlunit-2/pom.xml
index faefeca7a1..9e146ccf33 100644
--- a/xmlunit-2/pom.xml
+++ b/xmlunit-2/pom.xml
@@ -23,7 +23,6 @@
             <artifactId>xmlunit-core</artifactId>
             <version>${xmlunit.version}</version>
         </dependency>
-
     </dependencies>
 
     <properties>