From 832f4d2619423eb60500327888104d8dd9a89c3a Mon Sep 17 00:00:00 2001
From: sheryllresulta <48046330+sheryllresulta@users.noreply.github.com>
Date: Thu, 2 May 2019 17:11:11 +0800
Subject: [PATCH] Update README.md

---
 java-collections-maps-2/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/java-collections-maps-2/README.md b/java-collections-maps-2/README.md
index 8bcafccfe8..ff84e93ce4 100644
--- a/java-collections-maps-2/README.md
+++ b/java-collections-maps-2/README.md
@@ -1,2 +1,3 @@
 ## Relevant Articles:
 - [Map of Primitives in Java](https://www.baeldung.com/java-map-primitives)
+- [Copying a HashMap in Java](https://www.baeldung.com/java-copy-hashmap)