An activity diagram is a mapping of the steps involved in a repetitive process to a visual workflow. You can have start, stop, labels, conditions, while loops, repeat loops, notes, partitions. Use an activity diagram to describe the internal behavior of a method and represent a flow driven by every activity diagram has a starting point and an ending point, so you might as well add them.
In the unified modeling language, activity diagrams are intended to model both computational and organizational processes (i.e., workflows).
12+ Activity Diagram Tool. Its main purpose is to describe activity diagrams in uml reflect the behavior of a system or person. Free online activity diagram tool for drawing professional and beautiful uml activity diagram as a real free drawing tool, there is no ad, no limited period of access and no limitations such as, number. It is also referred to as an. Activities can be hierarchically composed.