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Sams Teach Yourself UML in 24 Hours, Third Edition by Joseph Schmuller

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Chapter 19. Developing the Use Cases

What You'll Learn in This Hour:

  • The care and feeding of use cases

  • Specifying descriptions, preconditions, and postconditions

  • Specifying steps

  • Diagramming the use cases

The use cases from the package diagram in Hour 18, “Gathering System Requirements,” give a good picture of what the system will have to do. The team will have to analyze and understand each one. They've moved gradually from understanding the domain to understanding the system. The use cases have provided the bridge.

If you're getting the idea that the system development project is use case driven, you have a good understanding of the whole process.

Notice that at no point in the JAD session did the development team discuss how the system would accomplish ...

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