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Java / Interface

Are interfaces also inherited from Object class?

Interface types do not extend Object in source, but any interface instance is an Object at runtime. You can call Object methods on an interface reference.

No, only classes in java are inherited from Object class. Interfaces in java are not inherited from Object class. But, classes which implement interfaces are inherited from Object class.

An interface implicitly declares one method for each public method in Object. This way the equals and Object class method is implicitly declared as a member in an interface.

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