![]() Test cases and wireframes can be developed based on the defined use cases. Use case driven approach can lead you all the way from analysis to design, and subsequently to development and testing:ĭeveloping a problem statement for the target systemĬapturing requirements - Use case identification (scoping and partitioning of the problem into a set of functional requirements)ĭetailing the event flow for each use case (from analysis to design)īased on the event flow, we can develop a sequence diagram to represent each use case scenario.īy refining the system-level sequence diagram into a more detailed MVC sequence diagram, we can divide the system functionality into 3 layers of reusable software architecture that serves as a clear implementation specification.īy integrating the sequence diagrams of the corresponding use cases, we can identify the set of candidate objects required for the implementation of system functions (use cases) that are currently undeveloped. ![]() ![]() System design: Use case diagrams provide a high-level overview of system functionality, helping to define scope and design system components. The use case model is the conceptual center of the entire SDLC, as it drives every development activity that follows. Requirement analysis: Use case diagrams aid in understanding and documenting the functional requirements of a system by identifying actors and their interactions. Why the use case driven approach applies to the entire SDLC? ![]() View and play PowerPoint presentations online.
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