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

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Chapter 7. Working with Use Case Diagrams

What You'll Learn in This Hour:

  • How to represent a use case model

  • How to visualize relationships among use cases

  • How to create and apply use case models

The use case is a powerful concept for helping an analyst understand how a system should behave. It helps you gather requirements from the users' point of view. In this hour, you'll learn how to visualize the use case concepts you learned in the last hour.

As powerful as the use case concept is, use cases become even more powerful when you use the UML to visualize them. Visualization allows you to show use cases to users so they can give you additional information. It's a fact of life that users often know more than they can articulate: The use case helps break ...

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