Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

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 .

Of course, Java object serialization is only half of the job. The other half is Java object deserializtion, which we accomplish with the FileInputStream and the ObjectInputStream. The first step to ...