From 66b9668e7e2a81129205c250f3091f72afca9679 Mon Sep 17 00:00:00 2001
From: johnA1331 <53036378+johnA1331@users.noreply.github.com>
Date: Wed, 14 Jul 2021 21:48:12 +0800
Subject: [PATCH] Create README.md

---
 core-java-modules/core-java-streams-4/README.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 core-java-modules/core-java-streams-4/README.md

diff --git a/core-java-modules/core-java-streams-4/README.md b/core-java-modules/core-java-streams-4/README.md
new file mode 100644
index 0000000000..6eeee943aa
--- /dev/null
+++ b/core-java-modules/core-java-streams-4/README.md
@@ -0,0 +1,3 @@
+## Relevant Articles:
+
+- [Count Occurrences Using Java groupingBy Collector](https://www.baeldung.com/java-groupingby-count)