What is an abstract class and when do you use it?

What is an abstract class and when do you use it?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, cpp, topic-specific, c++, systems

参考答案摘要

A class is called an abstract class whose objects can never be created. Such a class exists as a parent for the derived classes. We can make a class abstract by placing a pure virtual function in the ...

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