An Introduction to Software Design by Chenglie Hu

Author:Chenglie Hu
Language: eng
Format: epub
ISBN: 9783031283116
Publisher: Springer International Publishing

An effective way to model a system with state diagrams is to start with a few high-level composite states with a coarse state diagram and refine each of the states until all events, conditions, and operations are contextualized. Thus, state diagrams are often nested, composed, or layered. Figures 6.10 and 6.11 are state diagrams at different levels of granularity. The first diagram describes the course operation at a high level. The second diagram is a refinement of the state “class being enrolled.”

Fig. 6.10 A state diagram modeling course operations

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