diff --git a/ethereum/pom.xml b/ethereum/pom.xml
index 6c1a0e900f..8dc25427d9 100644
--- a/ethereum/pom.xml
+++ b/ethereum/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.ethereum</groupId>
     <artifactId>ethereum</artifactId>
@@ -113,7 +113,8 @@
             <scope>test</scope>
             <version>${spring.boot.version}</version>
             <exclusions>
-                <!-- junit4 dependency is excluded as it should to be resolved from junit-vintage-engine included in parent-modules. -->
+                <!-- junit4 dependency is excluded as it should to be resolved from junit-vintage-engine 
+                    included in parent-modules. -->
                 <exclusion>
                     <groupId>junit</groupId>
                     <artifactId>junit</artifactId>
@@ -195,4 +196,5 @@
         <spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
         <compiler.plugin.version>3.1</compiler.plugin.version>
     </properties>
+
 </project>
\ No newline at end of file
diff --git a/feign/pom.xml b/feign/pom.xml
index 7f71794e29..edb55e7da5 100644
--- a/feign/pom.xml
+++ b/feign/pom.xml
@@ -3,7 +3,6 @@
     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>
-    <groupId>com.baeldung.feign</groupId>
     <artifactId>feign</artifactId>
     <name>feign</name>
 
diff --git a/gcp-firebase/pom.xml b/gcp-firebase/pom.xml
index c563099ad6..10a899f370 100644
--- a/gcp-firebase/pom.xml
+++ b/gcp-firebase/pom.xml
@@ -1,48 +1,51 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>gcp-firebase</artifactId>
+
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
         <relativePath>../parent-boot-2</relativePath>
     </parent>
-  <artifactId>gcp-firebase</artifactId>
-  
-  <properties>
-    <firebase-admin.version>9.1.1</firebase-admin.version>
-  </properties>
 
-  <dependencies>
-    <dependency>
-      <groupId>com.google.firebase</groupId>
-      <artifactId>firebase-admin</artifactId>
-      <version>${firebase-admin.version}</version>
-    </dependency>
-    
-    
-    <dependency>
-      <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-starter-web</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-starter-test</artifactId>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-configuration-processor</artifactId>
-        <optional>true</optional>
-    </dependency>
-  </dependencies>
-  
-  
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-maven-plugin</artifactId>
-      </plugin>
-    </plugins>
-  </build>
+    <dependencies>
+        <dependency>
+            <groupId>com.google.firebase</groupId>
+            <artifactId>firebase-admin</artifactId>
+            <version>${firebase-admin.version}</version>
+        </dependency>
+
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-configuration-processor</artifactId>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <firebase-admin.version>9.1.1</firebase-admin.version>
+    </properties>
+
 </project>
\ No newline at end of file
diff --git a/geotools/pom.xml b/geotools/pom.xml
index f17b4cc5da..61682ae0f5 100644
--- a/geotools/pom.xml
+++ b/geotools/pom.xml
@@ -4,10 +4,8 @@
     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>geotools</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>geotools</name>
     <packaging>jar</packaging>
-    <url>http://maven.apache.org</url>
 
     <parent>
         <groupId>com.baeldung</groupId>
@@ -15,14 +13,6 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
-    <repositories>
-        <repository>
-            <id>osgeo-release</id>
-            <name>OSGeo Repository</name>
-            <url>https://repo.osgeo.org/repository/release/</url>
-        </repository>
-    </repositories>
-
     <dependencies>
         <dependency>
             <groupId>org.geotools</groupId>
@@ -41,6 +31,14 @@
         </dependency>
     </dependencies>
 
+    <repositories>
+        <repository>
+            <id>osgeo-release</id>
+            <name>OSGeo Repository</name>
+            <url>https://repo.osgeo.org/repository/release/</url>
+        </repository>
+    </repositories>
+
     <properties>
         <geotools.version>28.1</geotools.version>
         <geotools-swing.version>28.1</geotools-swing.version>
diff --git a/google-cloud/pom.xml b/google-cloud/pom.xml
index 72b9647bc8..8bb535f12a 100644
--- a/google-cloud/pom.xml
+++ b/google-cloud/pom.xml
@@ -4,7 +4,6 @@
     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>google-cloud</artifactId>
-    <version>0.1-SNAPSHOT</version>
     <name>google-cloud</name>
     <packaging>jar</packaging>
     <description>Google Cloud Tutorials</description>
@@ -24,7 +23,6 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <!-- Check for the most recent available version: https://projectlombok.org/changelog.html -->
             <version>${lombok.version}</version>
             <scope>provided</scope>
         </dependency>
diff --git a/graphql-modules/graphql-dgs/pom.xml b/graphql-modules/graphql-dgs/pom.xml
index 051785b4b8..313e598130 100644
--- a/graphql-modules/graphql-dgs/pom.xml
+++ b/graphql-modules/graphql-dgs/pom.xml
@@ -4,7 +4,6 @@
     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>graphql-dgs</artifactId>
-    <version>1.0</version>
     <name>graphql-dgs</name>
 
     <parent>
diff --git a/graphql-modules/graphql-java/pom.xml b/graphql-modules/graphql-java/pom.xml
index 01b7a4fbc3..88f2beb574 100644
--- a/graphql-modules/graphql-java/pom.xml
+++ b/graphql-modules/graphql-java/pom.xml
@@ -4,7 +4,6 @@
     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>graphql-java</artifactId>
-    <version>1.0</version>
     <name>graphql-java</name>
 
     <parent>
@@ -13,21 +12,6 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
-    <repositories>
-        <repository>
-            <id>jitpack.io</id>
-            <url>https://jitpack.io</url>
-        </repository>
-        <repository>
-            <snapshots>
-                <enabled>false</enabled>
-            </snapshots>
-            <id>central</id>
-            <name>Central Repository</name>
-            <url>https://repo.maven.apache.org/maven2</url>
-        </repository>
-    </repositories>
-
     <dependencies>
         <dependency>
             <groupId>com.graphql-java</groupId>
@@ -143,6 +127,13 @@
         </plugins>
     </build>
 
+    <repositories>
+        <repository>
+            <id>jitpack.io</id>
+            <url>https://jitpack.io</url>
+        </repository>
+    </repositories>
+
     <properties>
         <graphql-java.version>11.0</graphql-java.version>
         <graphql-java-tools.version>5.2.4</graphql-java-tools.version>
diff --git a/graphql-modules/graphql-spqr-boot-starter/pom.xml b/graphql-modules/graphql-spqr-boot-starter/pom.xml
index 6cb1d74329..fd9ebc0224 100644
--- a/graphql-modules/graphql-spqr-boot-starter/pom.xml
+++ b/graphql-modules/graphql-spqr-boot-starter/pom.xml
@@ -4,7 +4,6 @@
     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>graphql-spqr-boot-starter</artifactId>
-    <version>1.0</version>
     <name>graphql-spqr-boot-starter</name>
 
     <parent>
diff --git a/graphql-modules/graphql-spqr/pom.xml b/graphql-modules/graphql-spqr/pom.xml
index d845d1ac8a..756930f2ac 100644
--- a/graphql-modules/graphql-spqr/pom.xml
+++ b/graphql-modules/graphql-spqr/pom.xml
@@ -4,7 +4,6 @@
     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>graphql-spqr</artifactId>
-    <version>1.0</version>
     <name>graphql-spqr</name>
 
     <parent>
diff --git a/graphql-modules/pom.xml b/graphql-modules/pom.xml
index a42400b7cc..4b43cbffde 100644
--- a/graphql-modules/pom.xml
+++ b/graphql-modules/pom.xml
@@ -5,7 +5,6 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.graphql</groupId>
     <artifactId>graphql-modules</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
     <name>graphql-modules</name>
     <packaging>pom</packaging>
 
diff --git a/grpc/pom.xml b/grpc/pom.xml
index 40d35183dc..fed1e801f2 100644
--- a/grpc/pom.xml
+++ b/grpc/pom.xml
@@ -4,7 +4,6 @@
     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>grpc</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>grpc</name>
     <packaging>jar</packaging>
 
diff --git a/guava-modules/guava-18/pom.xml b/guava-modules/guava-18/pom.xml
index 8f5108bff1..873555bf24 100644
--- a/guava-modules/guava-18/pom.xml
+++ b/guava-modules/guava-18/pom.xml
@@ -4,7 +4,6 @@
     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>guava-18</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
     <name>guava-18</name>
 
     <parent>
diff --git a/guava-modules/guava-19/pom.xml b/guava-modules/guava-19/pom.xml
index ba85fe0ae8..9a40677e08 100644
--- a/guava-modules/guava-19/pom.xml
+++ b/guava-modules/guava-19/pom.xml
@@ -4,7 +4,6 @@
     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>guava-19</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
     <name>guava-19</name>
 
     <parent>
diff --git a/guava-modules/guava-21/pom.xml b/guava-modules/guava-21/pom.xml
index 9e791bfe23..a26176ba0b 100644
--- a/guava-modules/guava-21/pom.xml
+++ b/guava-modules/guava-21/pom.xml
@@ -4,7 +4,6 @@
     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>guava-21</artifactId>
-    <version>1.0-SNAPSHOT</version>
     <name>guava-21</name>
 
     <parent>
diff --git a/guava-modules/guava-collections-list/pom.xml b/guava-modules/guava-collections-list/pom.xml
index 6863b4011c..a07f34e56c 100644
--- a/guava-modules/guava-collections-list/pom.xml
+++ b/guava-modules/guava-collections-list/pom.xml
@@ -4,7 +4,6 @@
     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>guava-collections-list</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
     <name>guava-collections-list</name>
 
     <parent>
diff --git a/guava-modules/guava-collections-map/pom.xml b/guava-modules/guava-collections-map/pom.xml
index 04beaa13a1..6b73e8c29a 100644
--- a/guava-modules/guava-collections-map/pom.xml
+++ b/guava-modules/guava-collections-map/pom.xml
@@ -5,7 +5,6 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.guava</groupId>
     <artifactId>guava-collections-map</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
     <name>guava-collections-map</name>
 
     <parent>
diff --git a/guava-modules/guava-collections-set/pom.xml b/guava-modules/guava-collections-set/pom.xml
index 49bfc46ee2..ffd6c80a3e 100644
--- a/guava-modules/guava-collections-set/pom.xml
+++ b/guava-modules/guava-collections-set/pom.xml
@@ -4,7 +4,6 @@
     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>guava-collections-set</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
     <name>guava-collections-set</name>
 
     <parent>
diff --git a/guava-modules/guava-collections/pom.xml b/guava-modules/guava-collections/pom.xml
index 8dc052db75..e016b1c547 100644
--- a/guava-modules/guava-collections/pom.xml
+++ b/guava-modules/guava-collections/pom.xml
@@ -4,7 +4,6 @@
     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>guava-collections</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
     <name>guava-collections</name>
 
     <parent>
diff --git a/guava-modules/guava-core/pom.xml b/guava-modules/guava-core/pom.xml
index dd68fef43a..6c4f76356f 100644
--- a/guava-modules/guava-core/pom.xml
+++ b/guava-modules/guava-core/pom.xml
@@ -4,7 +4,6 @@
     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>guava-core</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
     <name>guava-core</name>
 
     <parent>
diff --git a/guava-modules/guava-io/pom.xml b/guava-modules/guava-io/pom.xml
index 2ea91c5e4f..367533139e 100644
--- a/guava-modules/guava-io/pom.xml
+++ b/guava-modules/guava-io/pom.xml
@@ -4,7 +4,6 @@
     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>guava-io</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
     <name>guava-io</name>
 
     <parent>
diff --git a/guava-modules/guava-utilities/pom.xml b/guava-modules/guava-utilities/pom.xml
index ab849072a5..407a44587e 100644
--- a/guava-modules/guava-utilities/pom.xml
+++ b/guava-modules/guava-utilities/pom.xml
@@ -4,7 +4,6 @@
     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>guava-utilities</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
     <name>guava-utilities</name>
 
     <parent>
diff --git a/hazelcast/pom.xml b/hazelcast/pom.xml
index 694563790f..4742f213e5 100644
--- a/hazelcast/pom.xml
+++ b/hazelcast/pom.xml
@@ -4,7 +4,6 @@
     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>hazelcast</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>hazelcast</name>
 
     <parent>
diff --git a/httpclient-simple/pom.xml b/httpclient-simple/pom.xml
index eea056477c..a6049432ce 100644
--- a/httpclient-simple/pom.xml
+++ b/httpclient-simple/pom.xml
@@ -1,10 +1,9 @@
 <?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>httpclient-simple</artifactId>
-    <version>0.1-SNAPSHOT</version>
     <name>httpclient-simple</name>
     <packaging>war</packaging>
 
diff --git a/hystrix/pom.xml b/hystrix/pom.xml
index 639d4eba02..007c2e237b 100644
--- a/hystrix/pom.xml
+++ b/hystrix/pom.xml
@@ -4,7 +4,6 @@
     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>hystrix</artifactId>
-    <version>1.0</version>
     <name>hystrix</name>
 
     <parent>