A-A+

The lower-level classes (known as subclasses or derived classes) () state and behavior fr

2020-07-01 02:59:02 IT认证 阅读 977 次

问题详情

The lower-level classes (known as subclasses or derived classes) () state and behavior from the higher-level class (known as a super class or base class).

A.request B.inherit C.invoke D.accept

请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:正确B

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