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Core Java - Interview Questions and Answers for 'Marker interfaces' - 6 question(s) found - Order By Newest | |||||||||||
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Ans. An interface without any method declaration is called as marker interface. there are 3 in-built interfaces in JVM i.e. serializable, clonable, remote | |||||||||||
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Ans. Serializable is a marker interface whereas externalizable is not. | |||||||||||
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Ans. No , it has run method declared. | |||||||||||
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Ans. They just tell the compiler that the objects of the classes implementing the interfaces with no defined methods need to be treated differently. | |||||||||||
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Ans. Cloneable is a declaration that the class implementing it allows cloning or bitwise copy of it's object state. It is not having any method because it is a MARKER interface. | |||||||||||
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