Include / Extend Relationships

For time being i was gathering some requirements for a system to be developed and was assigned to do some documentations. 🙂

Include Relationshiops in a Use Case

A base use case is dependent on the included use case. It means without the include use case the base use case is incomplete.

Extend Relationshiops in a Use Case

The extending use case is dependent on the base use case. It means it extends the behavior of the base use case and as well as the base use case should be fully functional without the extended use case.

Refer following links for more details :

http://www.agilemodeling.com

http://blog.js-development.com

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