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Core Java - Interview Questions and Answers for 'Clonable' - 2 question(s) found - Order By Newest

Very frequently asked in phone and walk in interviews.
  Q1. What are Marker Interfaces ? Name few Java marker interfaces ?Core Java
Anonymous
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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   Like         Discuss         Correct / Improve     java   oops   interfaces   marker interface   serializable   clonable     Asked in 21 Companies      intermediate        frequent

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 Q2. Whats the purpose of marker interfaces ?
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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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   Like         Discuss         Correct / Improve     java   interfaces   marker interfaces   clonable   serializable      basic        frequent


Related Questions

  What are Marker Interfaces ? Name few Java marker interfaces ?
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