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Use Case Diagram ENG. Riham Mqat. Use Case Diagram. Use cases describes the externally observable behavior of system functions in the form of interactions between the system to be developed and the external entities -- Actors .
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Use Case Diagram • Use cases describes the externally observable behavior of system functions in the form of interactions between the system to be developed and the external entities -- Actors. • Actors may represent roles played by users of the system or other systems. • Consist of a name and scenarios
Use Case Diagram Consist of: • Use cases • Actors • Relationships among actors and use cases
Relations • Include • Extend
Homework Draw usecase for your system Using Edraw Max program