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Also question is, what is generic interface?

Interfaces that are declared with type parametersbecome generic interfaces. Generic interfaces havethe same two purposes as regular interfaces. They are eithercreated to expose members of a class that will be used by otherclasses, or to force a class to implement specificfunctionality.

what is generic method in Java? Java Generic methods and generic classesenable programmers to specify, with a single methoddeclaration, a set of related methods, or with a singleclass declaration, a set of related types, respectively.Generics also provide compile-time type safety that allowsprogrammers to catch invalid types at compile time.

Also to know is, what does interface mean in Java?

An interface is a reference type in Java.It is similar to class. It is a collection ofabstract methods. A class implements an interface, therebyinheriting the abstract methods of the interface. Along withabstract methods, an interface may also contain constants,default methods, static methods, and nested types.

What is the use of generics in Java?

Generics allows a type or method to operate onobjects of various types while providing compile-time type safety,making Java a fully statically typed language.Generics are one of the most controversial Javalanguage features.