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Hints and Tips
When you model classes in the UML, remember that every class should map to some tangible or conceptual abstraction in the domain of the end user or the implementer. A well-structured class
- Provides a crisp abstraction of something drawn from the vocabulary of the problem domain or the solution domain.
- Embodies a small, well-defined set of responsibilities and carries them all out very well.
- Provides a clear separation of the abstraction's specification and its implementation.
- Is understandable and simple, yet extensible and adaptable.
When you draw a class in the UML,
- Show only those properties of the class that are important to understanding the abstraction in its context.
- Organize long lists of attributes and operations by grouping them according to their category.
- Show related classes in the same class diagrams.
