Why we use interface?

Question

Why we actually create interface what is the benefit of that? Anyone could give me real world example not the bookie example. Clear clean and understandable and also the Abstract one.

Sumit Arora · Answer

It is just enforcing rules and creating a contract which every class should agree implementing it.

Sakthikumar Thanavel · Answer

The main purpose of interface in provide the abstraction to the method implementation and it also used as bridge between to different communicate with each other.

Ritesh Singh · Answer

Hi Please visit below nice link: http://www.codeproject.com/Questions/43970/Real-world-examples-of-abstract-classes-and-interf http://www.c-sharpcorner.com/interview-question/can-you-give-some-real-time-example-where-you-have-used-an-interface-and-abstract-class-in-java https://www.quora.com/What-are-the-real-life-practical-examples-of-a-Java-interface-Is-it-really-useful-Why Thanks & Regards Ritesh