Chapter 28. UML Activity Diagrams and Modeling


If it wasn't backed-up, then it wasn't important.

 --The Sysadmin Motto


A UML activity diagram shows sequential and parallel activities in a process. They are useful for modeling business processes, workflows, data flows, and complex algorithms.



Basic UML activity diagram notation is shown in Figure 28.1, illustrating an action, partition, fork, join, and object node. In essence, this diagram shows a sequence of actions, some of which may be parallel. Most of the notation is self-explanatory; ...

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