In java declaring a class abstract is useful

Asked by admin @ 25/08/2021 in Computer Science viewed by 374 People

In Java, declaring a class abstract is useful

A.To prevent developers from further extending the class.
B.When it doesn't make sense to have objects of that class.
C.When default implementations of some methods are not desirable.
D.To force developers to extend the class not to use its capabilities.

Answered by admin @ 25/08/2021

In Java declaring a class abstract is useful to prevent developers from further extending the class

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Asked by admin @ 24/08/2021 in Computer Science viewed by 327 persons

Observe the below statements. i. Using java we can develop a Web Application ii. Using java we can develop a Desktop Application Which of the following statements is/are true? Both …

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Asked by admin @ 25/08/2021 in Geography viewed by 285 persons

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Which of the following package stores standard java classes

Asked by admin @ 17/08/2021 in Computer Science viewed by 293 persons

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Asked by admin @ 04/08/2021 in Computer Science viewed by 251 persons

Design a class in java to represent a bank account. include the following members: data members: name account number type balance amount Methods: to assign initial values to deposit an …

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Asked by admin @ 03/08/2021 in English viewed by 267 persons

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Asked by admin @ 31/10/2021 in SAT viewed by 374 persons

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Asked by admin @ 20/08/2021 in Chemistry viewed by 273 persons

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Asked by admin @ 17/08/2021 in Computer Science viewed by 317 persons

Explain the purpose of using a new keyword in a Java programming

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Asked by admin @ 17/08/2021 in Computer Science viewed by 293 persons

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Why is mercury used in thermometer for class 7

Asked by admin @ 16/08/2021 in Science viewed by 298 persons

7th class/science/chapter (Heat Measurement) why do we use mercury in the thermometer? can water be used instead of mercury? what are the problems in using it?

Which keyword is used to declare variable in javascript

Asked by admin @ 13/08/2021 in Computer Science viewed by 387 persons

The keyword used to declare a variable in JavaScript

Possible advantages and disadvantages of using educational apps in class

Asked by admin @ 07/11/2021 in English viewed by 284 persons

Consider the advantages and disadvantages of online education and education in a traditional classroom setting. Which method of learning is better for students? Write an essay in which you try …