diff --git a/core-java-modules/core-java-functional/README.md b/core-java-modules/core-java-functional/README.md
index 51185f13a1..addb312542 100644
--- a/core-java-modules/core-java-functional/README.md
+++ b/core-java-modules/core-java-functional/README.md
@@ -2,3 +2,4 @@
 
 - [Functional Programming in Java](https://www.baeldung.com/java-functional-programming)
 - [Functors in Java](https://www.baeldung.com/java-functors)
+- [Callback Functions in Java](https://www.baeldung.com/java-callback-functions)