diff --git a/src/data/roadmaps/java/content/101-java-advanced-topics/100-generics.md b/src/data/roadmaps/java/content/101-java-advanced-topics/100-generics.md
index 8e6310cc4..ae4f49489 100644
--- a/src/data/roadmaps/java/content/101-java-advanced-topics/100-generics.md
+++ b/src/data/roadmaps/java/content/101-java-advanced-topics/100-generics.md
@@ -8,3 +8,4 @@ Visit the following resources to learn more:
 - [Java - Generics](https://www.tutorialspoint.com/java/java_generics.htm)
 - [Generics in Java](https://www.javatpoint.com/generics-in-java)
 - [Generics in Java](https://www.youtube.com/watch?v=XMvznsY02Mk)
+- [An introduction to generic types in Java](https://www.freecodecamp.org/news/understanding-java-generic-types-covariance-and-contravariance-88f4c19763d2/)
\ No newline at end of file