This example also shows a misbehaving toString() implementation in the subclass. If we extend the Fraction class and mark the methods we don’t want overridden with final, there could be ...

In this tutorial you’ll learn how to work with static member classes and the three types of inner classes in your Java programs. What you’ll learn in this Java tutorial. About static classes ...

Java does enable the option to mark a class as final to eliminate the ability to perform inheritance complete, but that is often too heavy of a hammer to drop. Marking a class as final prevents all ...