It is easy to generate Java classes using the xjc binding compiler provided with the Oracle’s JDK 7 implementation. This is shown in the next screen snapshot.

Class – Everything in Java is associated with classes and objects. Being a user-defined blueprint, a class in simple terms represents the data structure which is used again and again.

Java uses empty interfaces to tag, that is, mark object classes that are to be singled out for special treatment. Empty interface examples include Cloneable, Serializable, and UIResource.