diff --git a/core-java-collections/README.md b/core-java-collections/README.md
index be83621429..710be31a08 100644
--- a/core-java-collections/README.md
+++ b/core-java-collections/README.md
@@ -31,3 +31,4 @@
 - [A Guide to EnumMap](https://www.baeldung.com/java-enum-map)
 - [A Guide to Iterator in Java](http://www.baeldung.com/java-iterator)
 - [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences)
+- [Java ArrayList vs Vector](https://www.baeldung.com/java-arraylist-vs-vector)