What are abstract classes? When should you use one?

What are abstract classes? When should you use one?

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: hard

标签: interviewbit, typescript, topic-specific, javascript

参考答案摘要

Abstract classes are similar to interfaces in that they specify a contract for the objects, and you cannot instantiate them directly. However, unlike interfaces, an abstract class may provide implemen...

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