Activity Diagram Object Flow. An example of the activity diagram for ticket vending machine is as shown below. The activity diagram in the unified modeling language uml is a graphical representations of workflows of stepwise activities.
This is the login. A message can flow in any direction. The activity diagrams in object oriented design are just like the flow carts that show the sequence of steps that make up a complex process such as an algorithm or workflow.
Its shows the full description and flow of course registration classes teacher school.
An activity diagram show the overall flow of control and the following model elements are typically involved in an uml activity diagram. Initial node is a control node at which flow starts when the activity is invoked. To draw an activity diagram one must understand and explore the entire system. A control token is placed at the initial node when the activity starts but not in initial nodes in structured nodes contained by the activity.