Object-Oriented Design

Evolving Analysis Models into Design Models

• Analysis models represent the business problem domain as a set of collaborating objects to define functional requirements.
• Design models increase the likelihood of delivering an affordable and easily maintainable system by addressing both functional and nonfunctional requirements.
• Design models refine analysis models by adding system environment details and refining problem domain information.
• Use cases and current classes should be reviewed when evolving analysis models into design models.
• Factoring is the process of separating out a module into a stand-alone module, either a new class or method.
• Abstraction creates a higher-level idea from a set of ideas, while refinement is the opposite.
• Partitions are the object-oriented equivalent of a subsystem, where a subsystem is a decomposition of a larger system into its component systems.
• Collaborations should be identified by creating a communication diagram for each use case and looking at the class diagram to see how the different classes are related.
• Cluster analysis or multiple-dimensional scaling can be used to identify classes that could be grouped to form a collaboration.
• The more messages sent between objects, the more likely the objects belong in the same partition.
• Modeling each collaboration between objects in terms of clients, servers, and contracts can help identify potential partitions.
• Identifying collaborations and partitions helps determine which classes should be grouped together in design.

Test your knowledge on evolving analysis models into design models with this informative quiz. Learn about the process of refining problem domain information, factoring, abstraction, and identifying collaborations and partitions. Enhance your understanding of design models and their importance in delivering affordable and easily maintainable systems. This quiz is perfect for anyone interested in object-oriented analysis and design.