Que in Interface c＃编程语言 [英] Que in Interface c# programming languauge

问题描述

以下哪项不能正确完成句子？

一个接口.....



1-强制类实现它来声明所有接口方法
$ b当没有默认实现继承时，$ b 2用于代替抽象类

3 - 无法实例化

4-可以实例化< br $> b $ b



是第4号答案吧？或者不是

Which of following does not complete the sentence correctly ?
An Interface.....

1- force classes that implement it to declare all the interfaces method
2-is used in place of an abstract class when there is no default implementation to inherit
3-can''t be instantiated
4- can be instantiated


is the answer no.4 right ? or not

推荐答案

不，你是不对的。接口本身不能实例化。可以实例化类，并且可以完整地实现接口。

No, you are incorrect. An interface cannot in itself be instantiated. Classes can be instantiated, and can implement interfaces in their entirety.

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