What Is a Class Diagram? ◆ Static view of a system CloseRegistrationForm Schedule CloseRegistrationController semester is registration open?() +open() commit() close registration() close registration() select alternate() remove offering() Professor level() name Student cancel() get cost() employeelD Uniqueld delete() hireDate get tuition() submit() status add schedule() save() -discipline get schedule() any conflicts?() maxLoad delete schedule() create with offerings() has pre-requisites() update with new selections() submitFinalGrade() acceptCourseOffering() setMaxLoad() takeSabbatical() Object Oriented Analysis and Design 3Object Oriented Analysis and Design 3 What Is a Class Diagram?  Static view of a system CloseRegistrationForm + open() + close registration() Student + get tuition() + add schedule() + get schedule() + delete schedule() + has pre-requisites() Schedule - semester + commit() + select alternate() + remove offering() + level() + cancel() + get cost() + delete() + submit() + save() + any conflicts?() + create with offerings() + update with new selections() Professor - name - employeeID : UniqueId - hireDate - status - discipline - maxLoad + submitFinalGrade() + acceptCourseOffering() + setMaxLoad() + takeSabbatical() CloseRegistrationController + is registration open?() + close registration()