Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance. Topics Spotlight: New Thinking about Cloud ...

Polymorphism and Java inheritance. ... We use polymorphism all the time in the core Java classes. One very simple example is when we instantiate the ArrayList class declaring the List interface as ...

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 ...