Design document -3 Design Document GradeRoster Program Class Purpose An object to model a graduate student GraduateStudent An object to model an undergraduate UndergraduateStudent student A javabook object to print out error MessageBox messages and messages from temporary output statements C 2000 McGraw-Hill troduction to Object-Oriented Programming with Java--Wu Chapter 15-6© 2000 McGraw-Hill Introduction to Object-Oriented Programming with Java--Wu Chapter 15 - 6 Design Document - 3 Design Document: GradeRoster Program Class Purpose GraduateStudent An object to model a graduate student. UndergraduateStudent An object to model an undergraduate student. MessageBox A javabook object to print out error messages and messages from temporary output statements