An initializer that makes complex class initialization possible. A class block initializer consists of the static keyword, an open brace character, initialization code, and a close brace character.

All classes in Java can have a single base class that they extend. When you extend another class you inherit all of the public and protected methods and fields that the class provides. The default ...

Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

-> It is a class in java.lang package. -> It is the super most class for all the classes in Java. -> Each method in the Object class has a default behavior. If we want to change that behavior, we need ...