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类图讲解错误 #47

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yinabameguru opened this issue Jul 1, 2021 · 0 comments

yinabameguru commented Jul 1, 2021

看懂UML类图和时序图

小汽车与发动机之间是组合关系，使用带实心箭头的实线表示；

没有汽车，发动机也可以独立存在，汽车与发动机应该是聚合关系。同理，汽车和轮胎也是聚合关系。

我参考的这篇文章上的内容the-class-diagram

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