The following sections describe the elements that constitute an activity diagram.Īn activity is the specification of a parameterized sequence of behaviour.
Activity diagrams are useful for business modelling where they are used for detailing the processes involved in business activities.Īn Example of an activity diagram is shown below. They may be used to detail situations where parallel processing may occur in the execution of some activities. Activity diagrams show the workflow from a start point to the finish point detailing the many decision paths that exist in the progression of events contained in the activity. In UML, an activity diagram is used to display the sequence of activities. UML 2 Tutorial - Activity Diagram Activity Diagrams