Since the inner class is protected, you can create other inner classes in this class definition or in any subclass of this class definition that extend the abstract inner class and give concrete implementations to its abstract methods.
Joined: Sep 28, 2004
Thaks Keith for reply. What happens if inner class is public ? I can use only thru sub class of the inner class ? I can not use this abstract inner class in enclosing class (Upper) ? tahnks for reply.