12+ Use Case Activity Diagram. From the activity diagrams, you can identify nouns to establish classes. A use case diagram doesn't go into a lot of detail—for example, don't expect it to model the order in which steps are performed.
• specify the context of a system • capture the requirements of a system • validate a systems architecture • drive implementation and generate test. Both beginners and intermediate uml diagrammers will find all the necessary training and examples on. They enable you to visualize the different types of roles in a.
Or it might be a complete application;
12+ Use Case Activity Diagram. While support for business modeling was declared as one of the goals of the uml, uml specification provides no business use cases were introduced in rational unified process (rup) to represent business function, process, or activity performed in the modeled business. The diagram is used to model the system/subsystem of an application. • built in early stages of development • purpose. Use cases model the services, tasks, function that a system needs to perform.