Search Interview Questions | More than 3000 questions in repository. There are more than 900 unanswered questions. Click here and help us by providing the answer. Have a video suggestion. Click Correct / Improve and please let us know. |
|
| ||||
Interview Questions and Answers for 'Virtusapolaris' - 3 question(s) found - Order By Newest | ||||
| ||||
Ans. abstract and final | ||||
Help us improve. Please let us know the company, where you were asked this question : | ||||
Like Discuss Correct / Improve  java   java keywords Asked in 2 Companies basic | ||||
Related Questions | ||||
How does volatile affect code optimization by compiler? | ||||
What is Volatile keyword used for ? | ||||
Can we access instance variables within static methods ? | ||||
What is the use of Transient Keyword ? | ||||
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 ? | ||||
| ||||
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. | ||||
Help us improve. Please let us know the company, where you were asked this question : | ||||
Like Discuss Correct / Improve  java   data types   casting  type casting   up casting  type casting   downcasting  type casting   generalization   specialization Asked in 2 Companies | ||||
Related Questions | ||||
| ||||
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. | ||||
Help us improve. Please let us know the company, where you were asked this question : | ||||
Like 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 ? | ||||
Can we access instance variables within static methods ? | ||||
What is the use of Transient Keyword ? | ||||
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 ? | ||||