Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods. Generics are used in ...

In Java, we use the reserved word super to ensure ... anotherDog)); // This is another way to cast the object } } class Animal { } class Dog extends Animal { void bark() { System.out.println ...

and perform a null check on any object that an external library passes into your programs. Java is a strongly typed language. It strictly enforces type hierarchies, and will not cast one object to ...