From abfc9637073d44f6f83a86000786264496ecf646 Mon Sep 17 00:00:00 2001
From: johnA1331 <53036378+johnA1331@users.noreply.github.com>
Date: Wed, 16 Dec 2020 17:21:52 +0800
Subject: [PATCH] Update README.md

---
 core-java-modules/core-java-collections-4/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core-java-modules/core-java-collections-4/README.md b/core-java-modules/core-java-collections-4/README.md
index 1c680b86ba..6e117c98b1 100644
--- a/core-java-modules/core-java-collections-4/README.md
+++ b/core-java-modules/core-java-collections-4/README.md
@@ -4,4 +4,4 @@
 
 ### Relevant Articles: 
 
-- TODO: add article links here
+- [ArrayList vs. LinkedList vs. HashMap in Java](https://www.baeldung.com/java-arraylist-vs-linkedlist-vs-hashmap)