diff --git a/core-java-concurrency-collections-2/pom.xml b/core-java-modules/core-java-concurrency-collections-2/pom.xml
similarity index 100%
rename from core-java-concurrency-collections-2/pom.xml
rename to core-java-modules/core-java-concurrency-collections-2/pom.xml
diff --git a/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/BenchMark.java b/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/BenchMark.java
similarity index 100%
rename from core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/BenchMark.java
rename to core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/BenchMark.java
diff --git a/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/CoarseGrained.java b/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/CoarseGrained.java
similarity index 100%
rename from core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/CoarseGrained.java
rename to core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/CoarseGrained.java
diff --git a/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/ConcurrentAccessMap.java b/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/ConcurrentAccessMap.java
similarity index 100%
rename from core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/ConcurrentAccessMap.java
rename to core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/ConcurrentAccessMap.java
diff --git a/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/LockStriped.java b/core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/LockStriped.java
similarity index 100%
rename from core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/LockStriped.java
rename to core-java-modules/core-java-concurrency-collections-2/src/main/java/com/baeldung/concurrent/lock/LockStriped.java