diff --git a/core-java-modules/core-java-lang-oop-patterns-2/pom.xml b/core-java-modules/core-java-lang-oop-patterns-2/pom.xml
new file mode 100644
index 000000000000..f37907a89d62
--- /dev/null
+++ b/core-java-modules/core-java-lang-oop-patterns-2/pom.xml
@@ -0,0 +1,29 @@
+<?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>
+    <artifactId>core-java-lang-oop-patterns-2</artifactId>
+    <packaging>jar</packaging>
+    <name>core-java-lang-oop-patterns-2</name>
+
+    <parent>
+        <artifactId>core-java-modules</artifactId>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/deepcopyarraylist/Course.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/deepcopyarraylist/Course.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/deepcopyarraylist/Course.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/deepcopyarraylist/Course.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/deepcopyarraylist/Student.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/deepcopyarraylist/Student.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/deepcopyarraylist/Student.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/deepcopyarraylist/Student.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/application/Application.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/application/Application.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/application/Application.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/application/Application.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Actress.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Actress.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Actress.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Actress.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Computer.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Computer.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Computer.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Computer.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/ComputerBuilder.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/ComputerBuilder.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/ComputerBuilder.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/ComputerBuilder.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Memory.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Memory.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Memory.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Memory.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Person.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Person.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Person.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Person.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Processor.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Processor.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Processor.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Processor.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/SoundCard.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/SoundCard.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/SoundCard.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/SoundCard.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardComputerBuilder.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardComputerBuilder.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardComputerBuilder.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardComputerBuilder.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardMemory.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardMemory.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardMemory.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardMemory.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardProcessor.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardProcessor.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardProcessor.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardProcessor.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardSoundCard.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardSoundCard.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardSoundCard.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardSoundCard.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Waitress.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Waitress.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Waitress.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/inheritancecomposition/model/Waitress.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacesingleimpl/Animal.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacesingleimpl/Animal.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacesingleimpl/Animal.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacesingleimpl/Animal.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacesingleimpl/AnimalCare.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacesingleimpl/AnimalCare.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacesingleimpl/AnimalCare.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacesingleimpl/AnimalCare.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacesingleimpl/Cat.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacesingleimpl/Cat.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacesingleimpl/Cat.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacesingleimpl/Cat.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacesingleimpl/Dog.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacesingleimpl/Dog.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacesingleimpl/Dog.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacesingleimpl/Dog.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/Car.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/Car.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/Car.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/Car.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/ImageSender.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/ImageSender.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/ImageSender.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/ImageSender.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/Sender.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/Sender.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/Sender.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/Sender.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/Vehicle.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/Vehicle.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/Vehicle.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/Vehicle.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/VideoSender.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/VideoSender.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/interfacevsabstractclass/VideoSender.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/interfacevsabstractclass/VideoSender.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/objectmutability/ImmutablePerson.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/objectmutability/ImmutablePerson.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/objectmutability/ImmutablePerson.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/objectmutability/ImmutablePerson.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/stateless/BubbleSort.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/stateless/BubbleSort.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/stateless/BubbleSort.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/stateless/BubbleSort.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/stateless/QuickSort.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/stateless/QuickSort.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/stateless/QuickSort.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/stateless/QuickSort.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/stateless/SortingStrategy.java b/core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/stateless/SortingStrategy.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/stateless/SortingStrategy.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/main/java/com/baeldung/stateless/SortingStrategy.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/deepcopyarraylist/DeepCopyArrayListUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/deepcopyarraylist/DeepCopyArrayListUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/deepcopyarraylist/DeepCopyArrayListUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/deepcopyarraylist/DeepCopyArrayListUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/ActressUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/ActressUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/ActressUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/ActressUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/CompositionUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/CompositionUnitTest.java
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rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/CompositionUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/CompositionUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/InheritanceUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/InheritanceUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/InheritanceUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/InheritanceUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/PersonUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/PersonUnitTest.java
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rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/PersonUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/PersonUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/WaitressUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/WaitressUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/WaitressUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/inheritancecomposition/WaitressUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/interfacesingleimpl/InterfaceSingleImplUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/interfacesingleimpl/InterfaceSingleImplUnitTest.java
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rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/interfacesingleimpl/InterfaceSingleImplUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/interfacesingleimpl/InterfaceSingleImplUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/interfacesingleimpl/MockAnimal.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/interfacesingleimpl/MockAnimal.java
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rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/interfacesingleimpl/MockAnimal.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/interfacesingleimpl/MockAnimal.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/interfacevsabstractclass/SenderUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/interfacevsabstractclass/SenderUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/interfacevsabstractclass/SenderUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/interfacevsabstractclass/SenderUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/interfacevsabstractclass/VehicleUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/interfacevsabstractclass/VehicleUnitTest.java
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rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/interfacevsabstractclass/VehicleUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/interfacevsabstractclass/VehicleUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/objectmutability/ImmutableObjectExamplesUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/objectmutability/ImmutableObjectExamplesUnitTest.java
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rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/objectmutability/ImmutableObjectExamplesUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/objectmutability/ImmutableObjectExamplesUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/objectmutability/ImmutablePersonUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/objectmutability/ImmutablePersonUnitTest.java
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rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/objectmutability/ImmutablePersonUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/objectmutability/ImmutablePersonUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/objectmutability/MutableObjectExamplesUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/objectmutability/MutableObjectExamplesUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/objectmutability/MutableObjectExamplesUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/objectmutability/MutableObjectExamplesUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/stateless/ArraySortingUnitTest.java b/core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/stateless/ArraySortingUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/stateless/ArraySortingUnitTest.java
rename to core-java-modules/core-java-lang-oop-patterns-2/src/test/java/com/baeldung/stateless/ArraySortingUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-patterns/pom.xml b/core-java-modules/core-java-lang-oop-patterns/pom.xml
index f287f61c7f1f..c69f834989fb 100644
--- a/core-java-modules/core-java-lang-oop-patterns/pom.xml
+++ b/core-java-modules/core-java-lang-oop-patterns/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-lang-oop-patterns</artifactId>
     <packaging>jar</packaging>
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index 08b2b801ee14..133555fa709d 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -174,6 +174,7 @@
         <module>core-java-lang-math-5</module>
         <module>core-java-lang-oop-constructors</module>
         <module>core-java-lang-oop-patterns</module>
+        <module>core-java-lang-oop-patterns-2</module>
         <module>core-java-lang-oop-generics</module>
         <module>core-java-lang-oop-modifiers</module>
         <module>core-java-lang-oop-types</module>