diff --git a/core-java-modules/core-java-collections-3/README.md b/core-java-modules/core-java-collections-3/README.md
index c80e493767..e21e3642f9 100644
--- a/core-java-modules/core-java-collections-3/README.md
+++ b/core-java-modules/core-java-collections-3/README.md
@@ -13,3 +13,4 @@
 - [Quick Guide to the Java Stack](https://www.baeldung.com/java-stack)
 - [Convert an Array of Primitives to a List](https://www.baeldung.com/java-primitive-array-to-list)
 - [A Guide to BitSet in Java](https://www.baeldung.com/java-bitset)
+- [Get the First Key and Value From a HashMap](https://www.baeldung.com/java-hashmap-get-first-entry)