This tutorial provides an overview of the four types of Java polymorphism ... Check out Listing 4. The JVM’s cast verification in Listing 5 illustrates runtime type identification (or RTTI ...

This in-depth tutorial introduces you to generics and their types and methods ... use generic features in your Java programs. ClassCastExceptions happen when you cast objects from their current ...

The default constructor in Java takes no arguments -- it simply initializes reference types to null and primitive types to the binary equivalent of zero. That means instance variables are assigned as ...