From 98cce29a737a390516a024404dab9ea8a7e9ca32 Mon Sep 17 00:00:00 2001
From: johnA1331 <53036378+johnA1331@users.noreply.github.com>
Date: Wed, 20 Jan 2021 22:39:59 +0800
Subject: [PATCH] Update README.md

---
 java-collections-maps-3/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/java-collections-maps-3/README.md b/java-collections-maps-3/README.md
index 4da8547824..39ac8575fa 100644
--- a/java-collections-maps-3/README.md
+++ b/java-collections-maps-3/README.md
@@ -1,3 +1,4 @@
 ### Relevant Articles:
 
 - [Java Map With Case-Insensitive Keys](https://www.baeldung.com/java-map-with-case-insensitive-keys)
+- [Using a Byte Array as Map Key in Java](https://www.baeldung.com/java-map-key-byte-array)