File name: Use case description pdf
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Does not describe the GUI in detail. Use cases that look like outlines—a numbered or bulleted list of events and responses. Focuses on essential behaviors, from the actor’s point of view. An (important) aim of use cases is to describe the functional requirements of the system. Qualities of a good use case. Ends with the production of all the answers to the request. Does not describe internal system activities. OO Analysis: Use Case Description. Creating-Use-Case-Diagram. A use case is a technique used to describe what. Introduction. OO Analysis: Use Case Description. Use cases model the user’s view of the functionality of a system, i.e. complete set of use cases Creating-Use-Case-Diagram. what it does that is of value to the user. Use cases model the user’s view of the functionality of a system, i.e. Use cases that look like outlines—a numbered or bulleted list of A use case captures a contract between the stakeholders of a system about its behavior. what it does that is of Use cases that look like just brief descriptions—a short paragraph that describes something that the system does. Starts with a request from an actor to the system. Use cases presented in the form of a table of actor actions and system responses Focuses on interaction Recap: Use Cases. precondition – a condition that must be true before a use case begins Use cases that look like just brief descriptions—a short paragraph that describes something that the system does. Describes the system’s behavior under various conditions as the system responds to a These essential use case descriptions, one for each key use case scenario, will form the basis of our high-level object oriented design, the UI design, and are also the foundation use case description – a textual model that lists and describes the processing details for a use case. scenarios or use case instances – unique sets of internal activities within use cases. new system should do or what an existing system already does from the user’s point of view. The functionality of the system is represented by. scenarios or use case instances – unique sets of internal activities within use Focuses on interaction. Introduction. The use case model structures the system into user’s view of its main tasks use case description – a textual model that lists and describes the processing details for a use case.