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java interview questions and answers on interface

Interface in real world:

You can see number of interface examples. Let us take example of a TV. You press change channel button of TV remote and channel is changed. Here remote is act as an interface between you and TV.

Dictionary meaning of interface:

A point where two systems, subjects, organizations, etc., meet and interact.

Interface in java:

Interface is a way of implementing 100% abstraction. An interface is declared with interface keyword. It can contain only abstract methods and static final data members Or Interface is a group of related abstract methods.

Java interview questions on interface

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