diff --git a/core-java-modules/core-java-collections-4/README.md b/core-java-modules/core-java-collections-4/README.md
index cbca44d372..121b92a2e6 100644
--- a/core-java-modules/core-java-collections-4/README.md
+++ b/core-java-modules/core-java-collections-4/README.md
@@ -8,3 +8,4 @@
 - [Java Deque vs. Stack](https://www.baeldung.com/java-deque-vs-stack)
 - [Collection.toArray(new T[0]) or .toArray(new T[size])](https://www.baeldung.com/java-collection-toarray-methods)
 - [Create an Empty Map in Java](https://www.baeldung.com/java-create-empty-map)
+- [Sorting Objects in a List by Date](https://www.baeldung.com/java-sort-list-by-date)