Update README.md

Author: fefong

README.md

@@ -56,4 +56,12 @@ Example Application: Operators
 ```
 
 ### output
-		1
+		1
+		
+		
+## Some links for more in depth learning
+
+* [JAVA PRINT](https://github.com/fefong/java_print);
+* [JAVA SWITCH CASE](https://github.com/fefong/java_switch);
+* [JAVA IF/ELSE](https://github.com/fefong/java_ifElse);
+* [JAVA ARITHMETIC](https://github.com/fefong/java_calculator);