diff --git a/patterns-modules/design-patterns-behavioral-2/README.md b/patterns-modules/design-patterns-behavioral-2/README.md
index 2afa7b9eb6..80c8a62728 100644
--- a/patterns-modules/design-patterns-behavioral-2/README.md
+++ b/patterns-modules/design-patterns-behavioral-2/README.md
@@ -2,3 +2,4 @@
 - [Memento Design Pattern in Java](https://www.baeldung.com/java-memento-design-pattern)
 - [Difference Between Fluent Interface and Builder Pattern in Java](https://www.baeldung.com/java-fluent-interface-vs-builder-pattern)
 - [Smart Batching in Java](https://www.baeldung.com/java-smart-batching)
+- [Convert Null Value to a Default Value in Java](https://www.baeldung.com/java-convert-null-default-value)