From 7d3aa9f3e594acb660606993b060963ab06430b0 Mon Sep 17 00:00:00 2001
From: johnA1331 <53036378+johnA1331@users.noreply.github.com>
Date: Tue, 5 May 2020 17:43:34 +0800
Subject: [PATCH] Create README.md

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 java-collections-maps-3/README.md | 3 +++
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 create mode 100644 java-collections-maps-3/README.md

diff --git a/java-collections-maps-3/README.md b/java-collections-maps-3/README.md
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+### Relevant Articles:
+
+- [Java Map With Case-Insensitive Keys](https://www.baeldung.com/java-map-with-case-insensitive-keys)