diff --git a/core-java-modules/core-java-string-operations-4/README.md b/core-java-modules/core-java-string-operations-4/README.md
index 10479f52f4..e7192b5beb 100644
--- a/core-java-modules/core-java-string-operations-4/README.md
+++ b/core-java-modules/core-java-string-operations-4/README.md
@@ -4,4 +4,5 @@
 - [Compare Strings While Ignoring Whitespace in Java](https://www.baeldung.com/java-compare-string-whitespace)
 - [Concatenating Null Strings in Java](https://www.baeldung.com/java-concat-null-string)
 - [Split a String Every n Characters in Java](https://www.baeldung.com/java-string-split-every-n-characters)
+- [String equals() Vs contentEquals() in Java](https://www.baeldung.com/java-string-equals-vs-contentequals)