I have a Use Case Diagram for our Event Management Platform and our group is having a fight. I wonder in these two which is correct:
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Cancel EXTENDS Join (since we can choose to Cancel or not after we Joined).
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Cancel INCLUDES Join (since we can Cancel only if we already Joined).
Before, I saw a Use Case Diagram has every function for a user includes the Login. I don’t know if it’s right.
I feel like those two mentioned are correct on their own, so can anyone explain me this please, thank you!
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