Update README.md

johnA1331 · web-flow · commit 2d11d2011faa · 2021-04-14T23:46:43.000+08:00
diff --git a/core-java-modules/core-java-nio-2/README.md b/core-java-modules/core-java-nio-2/README.md
@@ -9,4 +9,5 @@ This module contains articles about core Java non-blocking input and output (IO)
 - [Introduction to the Java NIO Selector](https://www.baeldung.com/java-nio-selector)
 - [Using Java MappedByteBuffer](https://www.baeldung.com/java-mapped-byte-buffer)
 - [How to Lock a File in Java](https://www.baeldung.com/java-lock-files)
+- [Java NIO DatagramChannel](https://www.baeldung.com/java-nio-datagramchannel)
 - [[<-- Prev]](/core-java-modules/core-java-nio)
