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 ...

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 ...

To create a global constant shared by every instance of a class, you combine Java's static and final keywords. The static keyword means the value is the same for every instance of the class. Final ...