14+ Use Case Activity Sequence Diagram. A use case diagram at its simplest is a representation of a user's interaction with the system that shows the relationship between the user and the different use cases in which the user is involved. Use cases are scenarios which show how the user will use the system to achieve their goals.
Activity diagrams are a graphical depiction of the use case workflow and are useful in illustrating the alternative paths through a business process. 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. Use cases are scenarios which show how the user will use the system to achieve their goals.
Use cases define interactions between external actors and the use cases are typically initiated by a user to fulfill goals describing the activities and variants involved a use case scenario, often represented by a sequence diagram, involves the collaboration of multiple.
14+ Use Case Activity Sequence Diagram. Such diagrams are also used to display the steps involved in the execution of a use case. Activity diagrams are used to illustrate the interconnected flow of different activities and actions in a system. The end result of most use cases. This tutorial is a must for beginners who want to.