diff --git a/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/list/DuplicatesCounter.java b/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/list/duplicatescounter/DuplicatesCounter.java
similarity index 96%
rename from core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/list/DuplicatesCounter.java
rename to core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/list/duplicatescounter/DuplicatesCounter.java
index 04e24e5fa1..b5138eed7d 100644
--- a/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/list/DuplicatesCounter.java
+++ b/core-java-modules/core-java-collections-list-3/src/main/java/com/baeldung/list/duplicatescounter/DuplicatesCounter.java
@@ -1,4 +1,4 @@
-package com.baeldung.list;
+package com.baeldung.list.duplicatescounter;
 
 import java.util.HashMap;
 import java.util.List;
diff --git a/core-java-modules/core-java-collections-list-3/src/test/java/com/baeldung/list/DuplicatesCounterUnitTest.java b/core-java-modules/core-java-collections-list-3/src/test/java/com/baeldung/list/duplicatescounter/DuplicatesCounterUnitTest.java
similarity index 97%
rename from core-java-modules/core-java-collections-list-3/src/test/java/com/baeldung/list/DuplicatesCounterUnitTest.java
rename to core-java-modules/core-java-collections-list-3/src/test/java/com/baeldung/list/duplicatescounter/DuplicatesCounterUnitTest.java
index 4b6a03aaef..be9ccded9b 100644
--- a/core-java-modules/core-java-collections-list-3/src/test/java/com/baeldung/list/DuplicatesCounterUnitTest.java
+++ b/core-java-modules/core-java-collections-list-3/src/test/java/com/baeldung/list/duplicatescounter/DuplicatesCounterUnitTest.java
@@ -1,4 +1,4 @@
-package com.baeldung.list;
+package com.baeldung.list.duplicatescounter;
 
 import org.assertj.core.util.Lists;
 import org.junit.jupiter.api.Test;