Core Java - Interview Questions and Answers for 'Final methods' | Search Interview Question

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 ?

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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Q2. Can we override compareTo method for Enumerations ?

Core Java

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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Q3. What is a Final Method ?

Core Java

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 Java

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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