uc35fd6a360208.txt

软件工程方面的书籍

This use case allows a Registrar to close the registration process.  Course offerings that do not have enough students are cancelled.  Course offerings must have a minimum of three students in them.  The billing system is notified for each student in each course offering that is not cancelled, so the student can be billed for the course offering.  The main actor of this use case is the Registrar.  The Billing System is an actor involved within this use case.