Visual Modeling with Rational Rose 2002 and UML

Adding Design Classes

Classes are typically added to the model to facilitate the “how” of a system. For example, the course registration system states that a professor must enter a password that must be validated. A class that knows how to validate passwords is added to the system so this requirement may be implemented. As classes are added to the system, they are displayed on diagrams as needed.

An updated class diagram for the ESU Course Registration problem is shown in Figure 12-2. (Note: At this point in the life cycle, I tend to show stereotypes as a label because I am typically adding a lot of detail to the model. This is just my preference, you do not have to do this. To set stereotype display as a label as the default, select the Tools:Options ...