Question

 

Explain use of interface in Java with example program.

27 Feb 2026
Answer :
Word Count : 237
In Java, an interface is a reference type, similar to a class, that can contain only constants, method signatures, default methods, static methods, and nested types. Interfaces cannot contain instance fields or constructors. The purpose of an interface is to specify a contract or blueprint for classes _____ ____ ________ _________ ______ _________ ____ _____.
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