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It's been a really long time since I worked with UML Diagrams.

I started working with UML Use Cases again, for a real world project. I would like to ask some questions.

How should I approach writing use cases?

I believe the tasks that leads to a "Major/Bigger" task should not be considered as use cases by themselves. Am I right?

Okay, what if I have a task like View tutorial and it has Comment on Tutorial, Favourite Tutorial, etc. Should these be separate use case, Extending View Tutorial? If yes, but, aren't they small features, why we should include them?

I'm mixing some stuff here, I hope someone could enlighten me .

Thanks!

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阅读 Alistair Cockburn 的《有效用例》一书（参见亚马逊：1）。他在以结构化和有效的方式解释用例的实际使用方面做得非常出色。

于 2013-11-06T16:15:29.700 回答