Activity Diagram Example: Completing an Assignment


This is an activity diagram example. Two swimlanes are used to represent the two participant of the process - teacher and student. The actions involved in completing an assignment are put under the two swimlanes. An hour glass symbol (two triangles, joined at their points) represents an event related to the passage of time.

Draw your activity diagram by using this one as a starting point. Simply Click Use this Template to edit, or click Create Blank to draw from scratch.

What is Activity Diagram?

Activity diagrams, one of behavioral UML diagrams, are used to graphically represent workflows. They describe the sequential or concurrent flows of activities in the system. Activity diagram displays a sequence of activities, beginning from the starting point of the activity until the finishing point, by describing in detailed the decisions along the progress of the events in the activities and the overall flow of control. The simplicity of activity diagram and the ease of understanding, enables it to find applicability in a variety of modeling cases such as, business process modeling, program logic or use case scenarios.

Purpose of Activity Diagram

You can use an activity diagram for many purposes and here is some examples:

  • To describe a business process or a flow of work between users and your system. For more information.
  • To describe the steps performed in a use case.
  • To describe a method, function or operation in software. For more information.

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