Update README.md

johnA1331 · web-flow · commit 3f1fa1491fab · 2020-07-23T22:19:29.000+08:00
diff --git a/core-java-modules/core-java-io-3/README.md b/core-java-modules/core-java-io-3/README.md
@@ -3,5 +3,7 @@
 This module contains articles about core Java input and output (IO)
 
 ### Relevant Articles: 
+
 - [Java – Create a File](https://www.baeldung.com/java-how-to-create-a-file)
+- [Check If a Directory Is Empty in Java](https://www.baeldung.com/java-check-empty-directory)
 - [[<-- Prev]](/core-java-modules/core-java-io-2)
