diff --git a/core-java-arrays/pom.xml b/core-java-arrays/pom.xml
index 36dcc09341..d2d0453e87 100644
--- a/core-java-arrays/pom.xml
+++ b/core-java-arrays/pom.xml
@@ -15,44 +15,11 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
             <version>${commons-lang3.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>${bouncycastle.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.unix4j</groupId>
-            <artifactId>unix4j-command</artifactId>
-            <version>${unix4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.googlecode.grep4j</groupId>
-            <artifactId>grep4j</artifactId>
-            <version>${grep4j.version}</version>
-        </dependency>
-        <!-- web -->
-        <!-- marshalling -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.google.code.gson</groupId>
-            <artifactId>gson</artifactId>
-            <version>${gson.version}</version>
-        </dependency>
-        <!-- logging -->
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
@@ -63,12 +30,6 @@
             <artifactId>log4j-over-slf4j</artifactId>
             <version>${org.slf4j.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>
@@ -76,42 +37,6 @@
             <version>${assertj-core.version}</version>
             <scope>test</scope>
         </dependency>
-
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-            <version>${commons-codec.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.javamoney</groupId>
-            <artifactId>moneta</artifactId>
-            <version>${javamoney.moneta.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.owasp.esapi</groupId>
-            <artifactId>esapi</artifactId>
-            <version>${esapi.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.messaging.mq</groupId>
-            <artifactId>fscontext</artifactId>
-            <version>${fscontext.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.codepoetics</groupId>
-            <artifactId>protonpack</artifactId>
-            <version>${protonpack.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>one.util</groupId>
-            <artifactId>streamex</artifactId>
-            <version>${streamex.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.vavr</groupId>
-            <artifactId>vavr</artifactId>
-            <version>${vavr.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.openjdk.jmh</groupId>
             <artifactId>jmh-core</artifactId>
@@ -127,40 +52,6 @@
             <artifactId>spring-web</artifactId>
             <version>${springframework.spring-web.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.h2database</groupId>
-            <artifactId>h2</artifactId>
-            <version>${h2database.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>javax.mail</groupId>
-            <artifactId>mail</artifactId>
-            <version>${javax.mail.version}</version>
-        </dependency>
-        <!-- Mime Type Resolution Libraries -->
-        <dependency>
-            <groupId>org.apache.tika</groupId>
-            <artifactId>tika-core</artifactId>
-            <version>${tika.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>net.sf.jmimemagic</groupId>
-            <artifactId>jmimemagic</artifactId>
-            <version>${jmime-magic.version}</version>
-        </dependency>
-        <!-- instrumentation -->
-        <dependency>
-            <groupId>org.javassist</groupId>
-            <artifactId>javassist</artifactId>
-            <version>${javaassist.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.sun</groupId>
-            <artifactId>tools</artifactId>
-            <version>1.8.0</version>
-            <scope>system</scope>
-            <systemPath>${java.home}/../lib/tools.jar</systemPath>
-        </dependency>
     </dependencies>
 
     <build>
@@ -496,52 +387,26 @@
     </profiles>
 
     <properties>
-        
-        <!-- marshalling -->
-        <jackson.version>2.8.5</jackson.version>
-        <gson.version>2.8.2</gson.version>
 
         <!-- util -->
         <commons-lang3.version>3.8.1</commons-lang3.version>
-        <bouncycastle.version>1.55</bouncycastle.version>
-        <commons-codec.version>1.10</commons-codec.version>
-        <commons-io.version>2.5</commons-io.version>
-        <commons-math3.version>3.6.1</commons-math3.version>
-        <decimal4j.version>1.0.3</decimal4j.version>
-        <unix4j.version>0.4</unix4j.version>
-        <grep4j.version>1.8.7</grep4j.version>
         <lombok.version>1.16.12</lombok.version>
-        <fscontext.version>4.6-b01</fscontext.version>
-        <protonpack.version>1.13</protonpack.version>
-        <streamex.version>0.6.5</streamex.version>
-        <vavr.version>0.9.0</vavr.version>
+        
+        <jmh-core.version>1.19</jmh-core.version>
+        <jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
 
         <!-- testing -->
         <assertj-core.version>3.10.0</assertj-core.version>
 
-        <!-- maven plugins -->
+        <!-- maven and spring plugins -->
         <maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
         <springframework.spring-web.version>4.3.4.RELEASE</springframework.spring-web.version>
-        
-        <javamoney.moneta.version>1.1</javamoney.moneta.version>
-        <h2database.version>1.4.197</h2database.version>
-        <esapi.version>2.1.0.1</esapi.version>
-        <jmh-core.version>1.19</jmh-core.version>
-       
-        <jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
         <maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
-        <javax.mail.version>1.5.0-b01</javax.mail.version>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
         <onejar-maven-plugin.version>1.4.4</onejar-maven-plugin.version>
         <maven-shade-plugin.version>3.1.1</maven-shade-plugin.version>
         <spring-boot-maven-plugin.version>2.0.3.RELEASE</spring-boot-maven-plugin.version>
         <exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
-        <icu4j.version>61.1</icu4j.version>
-        <!-- Mime Type Libraries -->
-        <tika.version>1.18</tika.version>
-        <jmime-magic.version>0.1.5</jmime-magic.version>
-        <!-- instrumentation -->
-        <javaassist.version>3.21.0-GA</javaassist.version>
     </properties>
 
 </project>
diff --git a/core-java-arrays/src/main/java/com/baeldung/array/ArrayInitializer.java b/core-java-arrays/src/main/java/com/baeldung/array/ArrayInitializer.java
index 0ba6c342d9..d2b0428904 100644
--- a/core-java-arrays/src/main/java/com/baeldung/array/ArrayInitializer.java
+++ b/core-java-arrays/src/main/java/com/baeldung/array/ArrayInitializer.java
@@ -2,7 +2,7 @@ package com.baeldung.array;
 
 import java.util.Arrays;
 
-import org.apache.commons.lang.ArrayUtils;
+import org.apache.commons.lang3.ArrayUtils;
 
 public class ArrayInitializer {
 
diff --git a/core-java-lang/pom.xml b/core-java-lang/pom.xml
index b13b279a03..ace39de274 100644
--- a/core-java-lang/pom.xml
+++ b/core-java-lang/pom.xml
@@ -15,31 +15,11 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
             <version>${commons-lang3.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>${bouncycastle.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.unix4j</groupId>
-            <artifactId>unix4j-command</artifactId>
-            <version>${unix4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.googlecode.grep4j</groupId>
-            <artifactId>grep4j</artifactId>
-            <version>${grep4j.version}</version>
-        </dependency>
         <!-- web -->
         <!-- marshalling -->
         <dependency>
@@ -76,91 +56,16 @@
             <version>${assertj-core.version}</version>
             <scope>test</scope>
         </dependency>
-
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-            <version>${commons-codec.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.javamoney</groupId>
-            <artifactId>moneta</artifactId>
-            <version>${javamoney.moneta.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.owasp.esapi</groupId>
-            <artifactId>esapi</artifactId>
-            <version>${esapi.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.messaging.mq</groupId>
-            <artifactId>fscontext</artifactId>
-            <version>${fscontext.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.codepoetics</groupId>
-            <artifactId>protonpack</artifactId>
-            <version>${protonpack.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>one.util</groupId>
-            <artifactId>streamex</artifactId>
-            <version>${streamex.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.vavr</groupId>
-            <artifactId>vavr</artifactId>
-            <version>${vavr.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh-generator-annprocess.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
             <version>${springframework.spring-web.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.h2database</groupId>
-            <artifactId>h2</artifactId>
-            <version>${h2database.version}</version>
-        </dependency>
         <dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>
             <version>${javax.mail.version}</version>
         </dependency>
-        <!-- Mime Type Resolution Libraries -->
-        <dependency>
-            <groupId>org.apache.tika</groupId>
-            <artifactId>tika-core</artifactId>
-            <version>${tika.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>net.sf.jmimemagic</groupId>
-            <artifactId>jmimemagic</artifactId>
-            <version>${jmime-magic.version}</version>
-        </dependency>
-        <!-- instrumentation -->
-        <dependency>
-            <groupId>org.javassist</groupId>
-            <artifactId>javassist</artifactId>
-            <version>${javaassist.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.sun</groupId>
-            <artifactId>tools</artifactId>
-            <version>1.8.0</version>
-            <scope>system</scope>
-            <systemPath>${java.home}/../lib/tools.jar</systemPath>
-        </dependency>
     </dependencies>
 
     <build>
@@ -503,45 +408,22 @@
 
         <!-- util -->
         <commons-lang3.version>3.5</commons-lang3.version>
-        <bouncycastle.version>1.55</bouncycastle.version>
-        <commons-codec.version>1.10</commons-codec.version>
-        <commons-io.version>2.5</commons-io.version>
-        <commons-math3.version>3.6.1</commons-math3.version>
-        <decimal4j.version>1.0.3</decimal4j.version>
-        <unix4j.version>0.4</unix4j.version>
-        <grep4j.version>1.8.7</grep4j.version>
         <lombok.version>1.16.12</lombok.version>
-        <fscontext.version>4.6-b01</fscontext.version>
-        <protonpack.version>1.13</protonpack.version>
-        <streamex.version>0.6.5</streamex.version>
-        <vavr.version>0.9.0</vavr.version>
-
+        
+        <javax.mail.version>1.5.0-b01</javax.mail.version>
+        
         <!-- testing -->
         <assertj-core.version>3.10.0</assertj-core.version>
 
-        <!-- maven plugins -->
+        <!-- maven and spring plugins -->
         <maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
         <springframework.spring-web.version>4.3.4.RELEASE</springframework.spring-web.version>
-        
-        <javamoney.moneta.version>1.1</javamoney.moneta.version>
-        <h2database.version>1.4.197</h2database.version>
-        <esapi.version>2.1.0.1</esapi.version>
-        <jmh-core.version>1.19</jmh-core.version>
-       
-        <jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
         <maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
-        <javax.mail.version>1.5.0-b01</javax.mail.version>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
         <onejar-maven-plugin.version>1.4.4</onejar-maven-plugin.version>
         <maven-shade-plugin.version>3.1.1</maven-shade-plugin.version>
         <spring-boot-maven-plugin.version>2.0.3.RELEASE</spring-boot-maven-plugin.version>
         <exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
-        <icu4j.version>61.1</icu4j.version>
-        <!-- Mime Type Libraries -->
-        <tika.version>1.18</tika.version>
-        <jmime-magic.version>0.1.5</jmime-magic.version>
-        <!-- instrumentation -->
-        <javaassist.version>3.21.0-GA</javaassist.version>
     </properties>
 
 </project>
diff --git a/core-java-lang/src/test/java/com/baeldung/deepcopy/DeepCopyUnitTest.java b/core-java-lang/src/test/java/com/baeldung/deepcopy/DeepCopyUnitTest.java
index 196b69fbf7..d6b1cd90b9 100644
--- a/core-java-lang/src/test/java/com/baeldung/deepcopy/DeepCopyUnitTest.java
+++ b/core-java-lang/src/test/java/com/baeldung/deepcopy/DeepCopyUnitTest.java
@@ -4,7 +4,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 
 import java.io.IOException;
 
-import org.apache.commons.lang.SerializationUtils;
+import org.apache.commons.lang3.SerializationUtils;
 import org.junit.Ignore;
 import org.junit.Test;
 
diff --git a/core-java/pom.xml b/core-java/pom.xml
index 477a01375d..2106b45fab 100644
--- a/core-java/pom.xml
+++ b/core-java/pom.xml
@@ -157,7 +157,7 @@
         <dependency>
             <groupId>com.sun</groupId>
             <artifactId>tools</artifactId>
-            <version>1.8.0</version>
+            <version>${sun.tools.version}</version>
             <scope>system</scope>
             <systemPath>${java.home}/../lib/tools.jar</systemPath>
         </dependency>
@@ -542,6 +542,8 @@
         <jmime-magic.version>0.1.5</jmime-magic.version>
         <!-- instrumentation -->
         <javaassist.version>3.21.0-GA</javaassist.version>
+        
+        <sun.tools.version>1.8.0</sun.tools.version>
     </properties>
 
 </project>