diff --git a/core-java-modules/core-java-lang-oop-3/README.md b/core-java-modules/core-java-lang-oop-3/README.md
index f8efcb737f..56c966349f 100644
--- a/core-java-modules/core-java-lang-oop-3/README.md
+++ b/core-java-modules/core-java-lang-oop-3/README.md
@@ -13,6 +13,4 @@ This module contains articles about Object-oriented programming (OOP) in Java
 - [A Guide to Inner Interfaces in Java](https://www.baeldung.com/java-inner-interfaces)
 - [Java Classes and Objects](https://www.baeldung.com/java-classes-objects)
 - [Java Interfaces](https://www.baeldung.com/java-interfaces)
-- [Static and Dynamic Binding in Java](https://www.baeldung.com/java-static-dynamic-binding)
-- [Methods in Java](https://www.baeldung.com/java-methods)
-- [[<-- Prev]](/core-java-modules/core-java-lang-oop-2)
+- [[<-- Prev]](/core-java-modules/core-java-lang-oop-2)[[More -->]](/core-java-modules/core-java-lang-oop-4)
diff --git a/core-java-modules/core-java-lang-oop-4/README.md b/core-java-modules/core-java-lang-oop-4/README.md
new file mode 100644
index 0000000000..8fab6e3cef
--- /dev/null
+++ b/core-java-modules/core-java-lang-oop-4/README.md
@@ -0,0 +1,9 @@
+## Core Java Lang OOP (Part 4)
+
+This module contains articles about Object-oriented programming (OOP) in Java
+
+### Relevant Articles: 
+- [Static and Dynamic Binding in Java](https://www.baeldung.com/java-static-dynamic-binding)
+- [Methods in Java](https://www.baeldung.com/java-methods)
+- [Java ‘private’ Access Modifier](https://www.baeldung.com/java-private-keyword)
+- [[<-- Prev]](/core-java-modules/core-java-lang-oop-3)
diff --git a/core-java-modules/core-java-lang-oop-4/pom.xml b/core-java-modules/core-java-lang-oop-4/pom.xml
new file mode 100644
index 0000000000..72662a8ea4
--- /dev/null
+++ b/core-java-modules/core-java-lang-oop-4/pom.xml
@@ -0,0 +1,57 @@
+<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-4</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>core-java-lang-oop-4</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <!-- logging -->
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
+        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
+            <groupId>org.slf4j</groupId>
+            <artifactId>log4j-over-slf4j</artifactId>
+            <version>${org.slf4j.version}</version>
+        </dependency>
+        <!-- test scoped -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj-core.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>${h2.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>core-java-lang-oop-4</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <properties>
+        <assertj-core.version>3.10.0</assertj-core.version>
+    </properties>
+
+</project>
diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/basicmethods/PersonName.java b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/basicmethods/PersonName.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/basicmethods/PersonName.java
rename to core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/basicmethods/PersonName.java
diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/binding/Animal.java b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/Animal.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/binding/Animal.java
rename to core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/Animal.java
diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/binding/AnimalActivity.java b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/AnimalActivity.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/binding/AnimalActivity.java
rename to core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/AnimalActivity.java
diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/binding/Cat.java b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/Cat.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/binding/Cat.java
rename to core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/Cat.java
diff --git a/core-java-modules/core-java-lang-syntax-2/src/main/java/com/baeldung/core/privatemodifier/Employee.java b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/Employee.java
similarity index 100%
rename from core-java-modules/core-java-lang-syntax-2/src/main/java/com/baeldung/core/privatemodifier/Employee.java
rename to core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/Employee.java
diff --git a/core-java-modules/core-java-lang-syntax-2/src/main/java/com/baeldung/core/privatemodifier/ExampleClass.java b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/ExampleClass.java
similarity index 100%
rename from core-java-modules/core-java-lang-syntax-2/src/main/java/com/baeldung/core/privatemodifier/ExampleClass.java
rename to core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/ExampleClass.java
diff --git a/core-java-modules/core-java-lang-syntax-2/src/main/java/com/baeldung/core/privatemodifier/PublicOuterClass.java b/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/PublicOuterClass.java
similarity index 100%
rename from core-java-modules/core-java-lang-syntax-2/src/main/java/com/baeldung/core/privatemodifier/PublicOuterClass.java
rename to core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/PublicOuterClass.java
diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java b/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java
rename to core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/binding/AnimalUnitTest.java b/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/AnimalUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/binding/AnimalUnitTest.java
rename to core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/AnimalUnitTest.java
diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/binding/CatUnitTest.java b/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/CatUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/binding/CatUnitTest.java
rename to core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/CatUnitTest.java
diff --git a/core-java-modules/core-java-lang-syntax-2/README.md b/core-java-modules/core-java-lang-syntax-2/README.md
index 538a29181a..db81109836 100644
--- a/core-java-modules/core-java-lang-syntax-2/README.md
+++ b/core-java-modules/core-java-lang-syntax-2/README.md
@@ -4,7 +4,6 @@ This module contains articles about Java syntax
 
 ### Relevant Articles: 
 
-- [Java ‘private’ Access Modifier](https://www.baeldung.com/java-private-keyword)
 - [Guide to Java Packages](https://www.baeldung.com/java-packages)
 - [If-Else Statement in Java](https://www.baeldung.com/java-if-else)
 - [Control Structures in Java](https://www.baeldung.com/java-control-structures)
diff --git a/pom.xml b/pom.xml
index f5776731c9..9569d7b391 100644
--- a/pom.xml
+++ b/pom.xml
@@ -433,6 +433,7 @@
                 <module>core-java-modules/core-java-lang-oop</module>
                 <module>core-java-modules/core-java-lang-oop-2</module>
                 <module>core-java-modules/core-java-lang-oop-3</module>
+                <module>core-java-modules/core-java-lang-oop-4</module>
                 <module>core-java-modules</module>
                 <module>core-java-modules/core-java-networking</module>
                 <module>core-java-modules/core-java-perf</module>
@@ -1206,6 +1207,7 @@
                 <module>core-java-modules/core-java-lang-oop</module>
                 <module>core-java-modules/core-java-lang-oop-2</module>
                 <module>core-java-modules/core-java-lang-oop-3</module>
+                <module>core-java-modules/core-java-lang-oop-4</module>
                 <module>core-java-modules</module>
                 <module>core-java-modules/core-java-networking</module>
                 <module>core-java-modules/core-java-perf</module>