Activity Diagram (UML)

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Activity diagram in UML

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By Nishant Kumar

An activity diagram represents the flow from activity to activity. It is used to model dynamic aspects of the systems. It is just like flowchart that shows flow of control from activity to activity. Activities ultimately result into actions.

Activity diagram includes
Activity states and Action states
Transition
Objects.

Common use of activity diagrams are

To model a workflow: In this type, object flow is represented.
To model an operation: In this, operations are important that are shown as flowchart. 

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