12+ Uml Use Case Model. Use case diagram is a behavioral uml diagram type and frequently used to analyze various systems. L developed by ivar jacobson, who wrote several widely read and highly regarded books about their use.
Use case diagrams model the functionality of a system using actors and use cases. Using a uml use case diagram, you can't. A use case diagram is a dynamic or behavior diagram in uml.
Dynamic behavior means the behavior of the use case diagrams consists of actors, use cases and their relationships.
12+ Uml Use Case Model. A use case model describes the proposed functionality of a new system. Imagine i'm writing a use case diagram for some kind of application for a college. Use cases model the services, tasks, function that a system needs to perform. First of all, we're going to describe the details, and then we'll create a part of the specification of our use case.