From 35744e704426ddc034a5248c62c912e243c02722 Mon Sep 17 00:00:00 2001
From: collaboratewithakash
 <38683470+collaboratewithakash@users.noreply.github.com>
Date: Fri, 4 Jan 2019 18:04:15 +0530
Subject: [PATCH] backlink added

---
 core-java-collections/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core-java-collections/README.md b/core-java-collections/README.md
index f549adaa4f..bde0f9fdb9 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)
 - [Intersection of Two Lists in Java](https://www.baeldung.com/java-lists-intersection)
+- [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences)