Merge pull request #5803 from eugenp/echeyne-readme

BAEL-2309

Author: lor6

core-java-lang/README.md

@@ -57,4 +57,5 @@
 - [“Sneaky Throws” in Java](http://www.baeldung.com/java-sneaky-throws)
 - [Inheritance and Composition (Is-a vs Has-a relationship) in Java](http://www.baeldung.com/java-inheritance-composition)
 - [A Guide to Constructors in Java](https://www.baeldung.com/java-constructors)
+- [Retrieving a Class Name in Java](https://www.baeldung.com/java-class-name)