diff --git a/core-java-collections/README.md b/core-java-collections/README.md
index f187141712..4502998c52 100644
--- a/core-java-collections/README.md
+++ b/core-java-collections/README.md
@@ -49,3 +49,4 @@
 - [Collections.emptyList() vs. New List Instance](https://www.baeldung.com/java-collections-emptylist-new-list)
 - [Initialize a HashMap in Java](https://www.baeldung.com/java-initialize-hashmap)
 - [](https://www.baeldung.com/java-hashset-arraylist-contains-performance)
+- [Differences Between Collection.clear() and Collection.removeAll()](https://www.baeldung.com/java-collection-clear-vs-removeall)