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Visual Modeling with Rational Rose 2002 and UML by Terry Quatrani

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Activity Diagrams

Activity diagrams also may be created at this stage in the life cycle. These diagrams represent the dynamics of the system. They are flow charts that are used to show the workflow of a system; that is, they show the flow of control from activity to activity in the system, what activities can be done in parallel, and any alternate paths through the flow. At this point in the life cycle, activity diagrams may be created to represent the flow across use cases or they may be created to represent the flow within a particular use case. Later in the life cycle, activity diagrams may be created to show the workflow for an operation.

Activity diagrams contain activities, transitions between the activities, decision points, and synchronization ...

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