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| Interview Questions and Answers for 'Virtusapolari' - 3 question(s) found - Order By Newest | ||||
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| Ans. abstract and final | ||||
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 Discuss Correct / Improve  java java keywords  Asked in 2 Companies  basic | ||||
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| Ans. Generalization or UpCasting is a phenomenon where a sub class is prompted to a super class, and hence becomes more general. Generalization needs widening or up-casting. Specialization or DownCasting is a phenomenon where a super class is narrowed down to a sub class. Specialization needs narrowing or down-casting. | ||||
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| Discuss Correct / Improve java data types casting type casting up casting type casting downcasting type casting generalization specialization Asked in 2 Companies | ||||
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| Ans. Abstract means that the class is only meant to be subclassed whereas final means that it cannot be subclassed so both concepts - abstract and final are actually mutually exclusive and hence not permitted together. | ||||
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| Discuss Correct / Improve abstract final java keywords Asked in 1 Companies | ||||
| Related Questions | ||||
| Which of the following combination of keywords is illegal in Java ? a. static and transient b. transient and final c. static and synchronized d. abstract and final | ||||
| How does volatile affect code optimization by compiler? | ||||
| What is Volatile keyword used for ? | ||||
| What is the use of Transient Keyword ? | ||||
| Can we access instance variables within static methods ? | ||||
| What is a Final Method ? | ||||
| Can we override static methods ? Why ? | ||||
| What is "super" used for ? | ||||
| What is "this" keyword used for ? | ||||
| Which of the following keyword is not permitted for outer class ? | ||||
