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Software Requirements Using the Unified Process: A Practical Approach by L. Rene Abreo, Daniel R. Windle

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Chapter 8. Writing Use Cases

Writing Use Cases

Writing use cases is the specification of the user requirements. This work solidifies much of the knowledge you have gained up to this point in the process. Writing use cases includes understanding how to specify preconditions and postconditions. We discuss how to write preconditions, postconditions, the normal course of events, alternative courses, and exceptions. We also discuss how to determine whether you should specify an alternative course or a separate use case. This chapter introduces the use of a template for writing use cases. In addition, this chapter discusses conventions for the specifications. Finally, ...

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