3. Activity Diagram : Hindi tutorial | Easy way to draw UML Activity Diagram

Video Discusses UML Activity Diagram in hindi. Useful for project analysis.

Tools that can be used:
1. Smart Draw smartdraw.com/
2. StarUML staruml.io/
3. Eclipse UML marketplace.eclipse.org/category/free-tagging/f…
4. Dia dia-installer.de/
5. Argo UML argouml.en.softonic.com/
6. BOUML bouml.fr/
7. UML Modeller umbrello.kde.org/
8. Magicdraw nomagic.com/products/magicdraw
9. Violet sourceforge.net/projects/violet/
10. UMLet umlet.com/

Definition – Activity diagrams represent the dynamics of the system. – They are flow charts that are used to show the workflow of a system. – They show. • The flow of control from activity to activity in the system, • What activities can be done in parallel. • Alternate paths through the flow. – They can show the flow across use cases or within a use case.

Activity Diagram • Core symbol is an activity. • An activity is some task which needs to be done. • Each activity can be followed by another activity (sequencing). • Triggers from the activity may be guarded as in state diagrams.

Decision Activities • Diamond. • Each trigger coming from it has a guard. • Synchronisation bar. • All triggers from this attach to activities that can occur in parallel, with no specific sequence, or concurrently. • The next synchronisation bar closes the concurrency. • Iteration is represented by a * on the trigger. or


Activity Diagrams for Use Cases • They can be used for describing either – Use cases or – Complicated methods