泛化箭头 [英] Generalization arrows

问题描述

类图中的泛化箭头是否必须严格开放，或者该箭头的样式是否有容差?

Do generalization arrows in class diagram has to be strictly open or is there a margin of tolerance on style of this arrows?

推荐答案

开放箭头与虚线/虚线一起使用来表示依赖项.

Open arrows are used together with a dashed/dotted line to represent dependencies.

我想不出将它们与常规线路一起使用的标准方法.

I can't think of a standard way to use them with a regular line.

此外，正如 Martin Fowler 在 UML 蒸馏，UML 只是一个符号.如果阅读你的图表的人知道open arrow = closed arrow，那么请随意使用它.UML 中没有严格.

Furthermore, as Martin Fowler clearly indicates in UML Distilled, UML is just a notation. If the people that will read your diagrams are aware that open arrow = closed arrow, then feel free to use it. There is no strictness in UML.

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