Use Case by George Hernandez

Use Case Diagram show a system from user's point of view. A Use Case Diagram models the interaction of actors with systems.

Here is a sample Use Case Diagram.

DIAGRAM: Sample UML Use Case

Some notes on the sample Use Case Diagram.

Use Case "Take Order" can «include» sub-tasks such as Use Case "Serve Water".
If the Extensions Points of Use Case "Prepare Order" apply, then Use Case "Prepare Order" can «extend» to Use Case "Restock".
Generally Use Case "Deliver Order" can be substituted for Use Case "Serve Order" in particular situations.

2007-10-29 23:48:22Z