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Include vs Extend in Use Case Diagrams by Normina Candao is a document available to read on EtoBox.

What is Include vs Extend in Use Case Diagrams about?

Extend is used when a use case conditionally adds optional steps to another use case, such as an "Assess Fee" use case extending a "Withdraw Cash" use case by adding fee assessment steps under certain conditions. Include is used to avoid duplicating common use case fragments across multiple use cases by extracting them into a separate use case, such as extracting the initial card insertion and PIN entry steps that are common to all ATM use cases into an included use case. The key difference is that an exten

Author

Normina Candao

Language

EN