Use case diagram: UML Use Case Diagrams Use case diagrams

UML Use Case Diagrams Use case diagrams are usually referred to as behavior diagrams used to describe a set of actions ( use cases) that some system or systems (subject) should or can perform in collaboration with one or more external users of the system (actors). Each use case should provide some observable and valuable result to the actors or other stakeholders of the system. Note, that UML 2.0 to 2.4 specifications also described use case diagram as a specialization of a class diagram , and ... A Use Case Diagram is defined as a graphical representation of the interactions between users (actors) and a system. Learn more about use case diagram uses, examples, and UML use case diagrams . A use case diagram is a graphical representation used in use case modeling to visualize and communicate these interactions and relationships. In a use case diagram , you’ll typically see actors represented as stick figures, and the use cases (specific functionalities or features) as ovals or rectangles. What is a Use Case Diagram ? Why Make Use Case Diagrams ? A use case diagram is a dynamic or behavior diagram in UML. Use case diagrams model the functionality of a system using actors and use cases. Use cases are a set of actions, services, and functions that the system needs to perform.