Difference Between Include And Extend In Use Case Diagram
Reuse In Use Case Models Extend Include And Inheritance
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Use Case Diagram Relationships Explained With Examples Creately Blog
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Uml Use Case Include Relationship Shows That Behavior Of The Included Use Case Is Inserted Into The Behavior Of The Including Use Case
Include therefore denotes a dependency on another use case.
Difference between include and extend in use case diagram. For some further reading regarding the difference between extend and include relationships in use case diagrams check this stackoverflow link. For example imagine withdraw cash is a use case of an atm machine. Just out of the head it seems to be clear. Generalization of a use case.
Extend is used when a use case conditionally adds steps to another first class use case. Include necessarily causes at least one of the clarifications. This is similar to the generalization of an actor. Enable reuse of functionality i e the functionality is included or may be used in other parts of the system.
Extend is some kind of specialization a use case that extends the functionalities of its base case etc while include is a use case which will be called as a consequence of invoking another one. What s is the difference between include and extend in use case diagram. Extends add not repeat functionality as well as any additional functionality. The include and extend relationships in use case models introduction uml defines three stereotypes of association between use cases include extend and generalisation.
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Use Case Diagrams Are Uml Diagrams Describing Units Of Useful Functionality Use Cases Performed By A System In Collaboration With External Users Actors
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