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2.1.8.5 Activity Diagram
Activity diagram is a diagram used to depict each steps or
activities in the system. In this activity diagram, the flow of
business process, steps of use case and logic flow from object
behaviour will be apparent. (Whitten and Bentley, 2007:390).
Activity diagram is used to give a better understanding as
well as carefully ordering use-cases’ steps. Every use-case has at
least one activity diagram, in some cases where use case have a
lot of steps and complex logic; it is likely to be more than one.
Figure 2.11 Activity Diagram
Below are the components of an activity diagram:
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