11+ Use Case Interaction Diagram. Uml use case diagrams are ideal for: Use case diagram is a behavioral uml diagram type and frequently used to analyze various systems.
A use case is a single unit of meaningful work. They provide a good high level analysis from outside the system. In addition to introducing use cases as primary elements in software development, jacobson (1994) also introduced a there are several variations on what people show as actors.
Cases • developed by analysts and domain.
11+ Use Case Interaction Diagram. • specify the context of a system • capture the requirements of a system • validate a systems architecture • drive implementation and generate test. 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. They provide a good high level analysis from outside the system. Use cases define interactions between external actors and the system to attain particular goals.