UML Use Case Diagrams: Tips

Contents: What is a UML Use Case Diagram (UCD), and when should I use it? How do you know who the actors are in a UCD? How do you know what to put in the "System" box? The actors in my diagram have interactions. How do I represent them? I am trying to represent a sequence of actions that the system performs. How do I do it? How is a UML Use Case Diagram different from a traditional flow chart? When do I use the uses arrow? When do I use the extends arrow? What is the difference between uses and extends? The scenario I want to describe branches into several possible outcomes, or has some error conditions. How can I represent that with Use Case Diagrams?

Reactie toevoegen