diff --git a/core-java/README.md b/core-java/README.md
index c21c8f35ec..0369e88439 100644
--- a/core-java/README.md
+++ b/core-java/README.md
@@ -104,4 +104,5 @@
 - [Guide to DelayQueue](http://www.baeldung.com/java-delay-queue)
 - [Comparing getPath(), getAbsolutePath(), and getCanonicalPath() in Java](http://www.baeldung.com/java-path)
 - [How to Add a Single Element to a Stream](http://www.baeldung.com/java-stream-append-prepend)
+- [LongAdder and LongAccumulator in Java](http://www.baeldung.com/java-longadder-and-longaccumulator)
 - [Using Java MappedByteBuffer](http://www.baeldung.com/java-mapped-byte-buffer)