Java is an ‘object oriented’ programming language. That means that it’s built from many objects that interact with each other, rather than being a long list of instructions.

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.

The TIOBE Index is an indicator of which programming languages are most popular within a given month. According to the TIOBE ...