This week we were learning use case modeling. It is an objected-oritented approach to model user requirements. The former diagram is a use case diagram created to illustrarte the behavior of shoes stock management system.
If we have drawn an enent table, it is easy to draw a use case diagram. But system analysists have to pretend that it is difficult to draw it. The users are going to pay money. We must prove our work is hard and valuable.
VP is a very useful tool to draw diagram. But it is complex for beginner to use it. I have never seen some of the functions it provides.
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