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State and Activity Diagrams

15 November 2011 No Comment

This short video introduces the UML state and activity diagrams. State diagrams are used to give an abstract description of the behavior of a system. This behavior is analyzed and represented in series of events, that could occur in one or more possible states.

Activity diagrams are graphical representations of workflows of stepwise activities and actions with support for choice, iteration and concurrency. In the Unified Modeling Language, activity diagrams are used to describe the business and operational step-by-step workflows of components in a system.

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