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| Core Java - Interview Questions and Answers for 'Marker interfaces' - 6 question(s) found - Order By Newest | |||||||||||
 Very frequently asked in phone and walk in interviews. | |||||||||||
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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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 Discuss Correct / Improve  java oops interfaces marker interface serializable clonable  Asked in 21 Companies  intermediate  frequent | |||||||||||
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| Ans. Serializable is a marker interface whereas externalizable is not. | |||||||||||
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| Discuss Correct / Improve java oops serialization externalizable interface marker interface | |||||||||||
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| Ans. No , it has run method declared. | |||||||||||
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| Discuss Correct / Improve java oops interfaces marker interface runnable yes-no | |||||||||||
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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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| Discuss Correct / Improve java interfaces marker interfaces clonable serializable basic frequent | |||||||||||
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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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| Discuss Correct / Improve java oops cloneable marker interface cloning Asked in 1 Companies | |||||||||||
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| This question was recently asked at 'GGK Technologies'.This question is still unanswered. Can you please provide an answer. | |||||||||||
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| Discuss Correct / Improve marker interfaces interfaces Asked in 1 Companies expert rare | |||||||||||
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Which of the following is a Marker Interface ?
