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  Tutorial: Java Interview Questions

Question: How can you write a loop indefinitely? Answer: for(;;)--for loop; while(true)--always true, etc.

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Question: . Can an anonymous class be declared as implementing an interface and extending a class?
Answer: An anonymous class may implement an interface or extend a superclass, but may not be declared to do both.
Question: What is the purpose of finalization?
Answer: The purpose of finalization is to give an unreachable object the opportunity to perform any cleanup processing before the object is garbage collected.

Question: Which class is the superclass for every class.
Answer: Object.


 

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