10+ Use Case Diagram Theory. Learn how to make use case diagrams in this tutorial. Use case diagrams are valuable for visualizing the functional requirements of a system that will translate into design choices and development priorities.
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Use case diagram presents the consecution of object's actions (user's or system's) which are executed for reaching the definite result. Use case diagrams consists of actors, use cases and their relationships. Use case diagrams are used to gather the requirements of a system including internal and external influences.
Use case diagram is a behavioral uml diagram type and frequently used to analyze various systems.
10+ Use Case Diagram Theory. An association exists whenever an actor is. Perhaps, you may want to stick to standard use cases. Actors represent roles which may include human users, external hardware or other systems. Uml 2 use case diagrams overview the usage requirements for a system.