diff --git a/core-java-modules/core-java-lang-6/README.md b/core-java-modules/core-java-lang-6/README.md
index 5319dd15f7..de5b0d09c5 100644
--- a/core-java-modules/core-java-lang-6/README.md
+++ b/core-java-modules/core-java-lang-6/README.md
@@ -6,11 +6,9 @@ This module contains articles about core features in the Java language
 
 - [Convert One Enum to Another Enum in Java](https://www.baeldung.com/java-convert-enums)
 - [What Is the Maximum Depth of the Java Call Stack?](https://www.baeldung.com/java-call-stack-max-depth)
-- [Get a Random Element From a Set in Java](https://www.baeldung.com/java-set-draw-sample)
 - [Stop Executing Further Code in Java](https://www.baeldung.com/java-stop-running-code)
 - [Using the Apache Commons Lang 3 for Comparing Objects in Java](https://www.baeldung.com/java-apache-commons-lang-3-compare-objects)
 - [Return First Non-null Value in Java](https://www.baeldung.com/java-first-non-null)
-- [Compress and Uncompress Byte Array Using Deflater/Inflater](https://www.baeldung.com/java-compress-uncompress-byte-array)
 - [Static Final Variables in Java](https://www.baeldung.com/java-static-final-variables)
 - [What Is the Error: “Non-static method cannot be referenced from a static context”?](https://www.baeldung.com/java-non-static-method-cannot-be-referenced-from-a-static-context)
 - [Recursively Sum the Integers in an Array](https://www.baeldung.com/java-recursive-sum-integer-array)
diff --git a/core-java-modules/core-java-lang-7/README.md b/core-java-modules/core-java-lang-7/README.md
index 7874da33ce..467485668f 100644
--- a/core-java-modules/core-java-lang-7/README.md
+++ b/core-java-modules/core-java-lang-7/README.md
@@ -5,3 +5,7 @@ This module contains articles about core features in the Java language
 ### Relevant Articles:
 
 - [Set an Environment Variable at Runtime in Java](https://www.baeldung.com/java-set-environment-variable-runtime)
+- [Get a Random Element From a Set in Java](https://www.baeldung.com/java-set-draw-sample)
+- [Compress and Uncompress Byte Array Using Deflater/Inflater](https://www.baeldung.com/java-compress-uncompress-byte-array)
+
+[[<-- Prev]](/core-java-modules/core-java-lang-6)
diff --git a/core-java-modules/core-java-lang-7/pom.xml b/core-java-modules/core-java-lang-7/pom.xml
index 577e36f7c4..886b01c475 100644
--- a/core-java-modules/core-java-lang-7/pom.xml
+++ b/core-java-modules/core-java-lang-7/pom.xml
@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xmlns="http://maven.apache.org/POM/4.0.0"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <artifactId>core-java-lang-6</artifactId>
+    <artifactId>core-java-lang-7</artifactId>
+    <packaging>jar</packaging>
+    <name>core-java-lang-7</name>
 
     <parent>
         <groupId>com.baeldung.core-java-modules</groupId>
@@ -61,6 +63,8 @@
     <properties>
         <junit.pioneer.version>2.2.0</junit.pioneer.version>
         <testcontaienr.version>1.19.3</testcontaienr.version>
+        <mapstruct.version>1.6.0.Beta1</mapstruct.version>
+        <jmh.version>1.37</jmh.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-lang-6/src/main/java/com/baeldung/compressbytes/CompressByteArrayUtil.java b/core-java-modules/core-java-lang-7/src/main/java/com/baeldung/compressbytes/CompressByteArrayUtil.java
similarity index 100%
rename from core-java-modules/core-java-lang-6/src/main/java/com/baeldung/compressbytes/CompressByteArrayUtil.java
rename to core-java-modules/core-java-lang-7/src/main/java/com/baeldung/compressbytes/CompressByteArrayUtil.java
diff --git a/core-java-modules/core-java-lang-6/src/main/java/com/baeldung/randominset/RandomInSetUtil.java b/core-java-modules/core-java-lang-7/src/main/java/com/baeldung/randominset/RandomInSetUtil.java
similarity index 100%
rename from core-java-modules/core-java-lang-6/src/main/java/com/baeldung/randominset/RandomInSetUtil.java
rename to core-java-modules/core-java-lang-7/src/main/java/com/baeldung/randominset/RandomInSetUtil.java
diff --git a/core-java-modules/core-java-lang-6/src/test/java/com/baeldung/compressbytes/CompressByteArrayUnitTest.java b/core-java-modules/core-java-lang-7/src/test/java/com/baeldung/compressbytes/CompressByteArrayUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-6/src/test/java/com/baeldung/compressbytes/CompressByteArrayUnitTest.java
rename to core-java-modules/core-java-lang-7/src/test/java/com/baeldung/compressbytes/CompressByteArrayUnitTest.java
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index 665b0b931d..6b4edaf7f2 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -144,6 +144,7 @@
         <module>core-java-lang-4</module>
         <module>core-java-lang-5</module>
         <module>core-java-lang-6</module>
+        <module>core-java-lang-7</module>
         <module>core-java-lang-math</module>
         <module>core-java-lang-math-2</module>
         <module>core-java-lang-math-4</module>