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change use case specification and class diagram details

 
Edward Chen
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in the SCEA Part 2, do we have rights to change the use case specification and flow ? I read the description over and over again, still doesn't make sense to me, can I change the use case and specification and flow ? certainly I will make clarification in the assumption.

Second question:
in the class diagram, what level of details we should provide ? I should define each attribut, methods ? by default, the class diagram Oracle gave to us doesn't include any attributes and methods.

Thanks.
 
Amritendu De
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Q1. The key is to understand the use case. Read some of the old blogs in this forum to get a better understanding. Do not make big changes.

Q2. All attributes may not be recovered from the little info the assignment provides however all methods in the sequence diagram should be present.
 
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