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Why do we use interfaces in Java?
An interface is a reference type in Java. It is similar to a class. It is a collection of abstract methods. A class implements AN interface, thereby inheritable the abstract ways of the interface.
An interface is a specification or a contract if a class implements an interface it indicates that class provides all the behaviors specified in that interface. In a way, it establishes communication between two objects.
Since Java does not support the concept multiple inheritance, an interface is used to achieve multiple inheritance.
Published on 10-Jan-2018 12:30:39
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