9.2. Object-Orientation

UML facilitates object-oriented (00) code design because it covers both data and behavioral modeling, and lets you drill down into physical design details relevant to OO-code. The class diagram in Figure 9.2 models a class whose instances are screen dialog boxes.

Figure 9.2. Example of a UML class.

The class shape in Figure 9.2 has three compartments. The name compartment includes the class name, as well as a tagged value naming the author of the class. The attribute compartment lists the visibility, name, and type of each attribute. The visibility settings “+”, “–”, “#”, and “~” indicate whether the attribute is public, ...

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