TIOBE - Java Coding Standard

Rule: Finalizer4

Synopsis:	Last statement in finalize method should be a call to super.finalize()
Language:	Java
Severity Level:	1
Category:	Finalizer

Description:

If the finalize() is implemented, its last action should be to call super.finalize.

public class Foo {
   protected void finalize() {
       something();
       // neglected to call super.finalize()
   }
}