From bd175a879c5aab6245feeba0f1098c31c91eb147 Mon Sep 17 00:00:00 2001
From: Asjad J <97493880+Asjad-J@users.noreply.github.com>
Date: Tue, 1 Mar 2022 09:21:53 +0500
Subject: [PATCH] Updated README.md

added link back to the article: https://www.baeldung.com/java-map-vs-hashmap
---
 core-java-modules/core-java-collections-maps-4/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core-java-modules/core-java-collections-maps-4/README.md b/core-java-modules/core-java-collections-maps-4/README.md
index 795f0df702..a3f40d5ab7 100644
--- a/core-java-modules/core-java-collections-maps-4/README.md
+++ b/core-java-modules/core-java-collections-maps-4/README.md
@@ -6,3 +6,4 @@ This module contains articles about Map data structures in Java.
 - [Using a Custom Class as a Key in a Java HashMap](https://www.baeldung.com/java-custom-class-map-key)
 - [Nested HashMaps Examples in Java](https://www.baeldung.com/java-nested-hashmaps)
 - [Java HashMap With Different Value Types](https://www.baeldung.com/java-hashmap-different-value-types)
+- [Difference Between Map and HashMap in Java](https://www.baeldung.com/java-map-vs-hashmap)