If a use case becomes too complex, it should be _____.

Question

BlackTom AI · Accepted Answer

Question restatement: If a use case becomes too complex, it should be _____.

Option provided: decomposed into a set of use cases.

Reasoning steps:
- When a single use case grows in scope, number of steps, or dependencies, the complexity can hinder understanding, testing, and maintenance. Breaking a complex process into smaller, more manageable parts is a common strategy in requirements engineering and software design.
- Decomposing a large use case into a set of smaller use cases allows each sub-use case to focus on a specific goal or interaction, making it easier to analyze requirements, identify edge cases, and validate functionality piece by piece.
- This approach aligns with modular design principles, enabling reuse of common flows and simplifying communication among stakeholders by presenting clearer, bounded pieces of behavior.
- Why not keep a single, sprawling use case? A monolithic use case tends to be harder to review, test, and change; small, well-defined use cases support incremental development and better traceability to requirements.
- Other potential approaches (e.g., refining, re-scoping, or abstracting) can be part of the process, but decomposition directly targets complexity by partitioning behavior into smaller units that collectively represent the whole.

Summary: The proposed completion—decomposing a overly complex use case into a set of use cases—follows best practices in use case analysis and system design by improving clarity, testability, and maintainability.

202502IS3430 Week 3 Use Case

If a use case becomes too complex, it should be _____.

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