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Core Java - Interview Questions and Answers for 'Final methods' - 4 question(s) found - Order By Newest

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  Q1. What is a final method ?Core Java
Anonymous
Ans. Its a method which cannot be overridden. Compiler throws an error if we try to override a method which has been declared final in the parent class.

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   Like         Discuss         Correct / Improve     java   oops   final   final method     Asked in 30 Companies      basic        frequent

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 Q2. Can we override compareTo method for Enumerations ?Core Java
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Ans. No. compareTo method is declared final for the Enumerations and hence cannot be overriden. This has been intentionally done so that one cannot temper with the sorting order on the Enumeration which is the order in which Enum constants are declared.

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   Like         Discuss         Correct / Improve     java   compareto   final methods   enum   enumeration      expert


 Q3. What is a Final Method ?Core Java
Anonymous
Ans. A Method that cannot be overriden in the sub class.

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 Q4. Are final methods faster than regular instance methods ?Core Java2018-07-16 06:53:39

Ans. Yes. As they cannot be overridden , there is no use of virtual table concept which is used for dynamic binding resolution.

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