Interface in Java is a reference type in Java, similar to a class, that can contain only abstract methods, default methods, static methods, and constant variables. Interfaces are used to achieve abstraction and multiple inheritance in Java. All methods in an interface are public and abstract by default. A class can implement multiple interfaces but can only extend one class. Example: interface Shape { void draw(); } Example: interface Drawable { void draw(); }

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Interface in java

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Interface in Java is a reference type in Java, similar to a class, that can contain only abstract methods, default methods, static methods, and constant variables.

Interfaces are used to achieve abstra...read more

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