students[0] = new Student("Brett", "McLaughlin");
students[0].assignGrade(A);
students[1] = new Student("Leigh", "McLaughlin");
students[0].assignGrade(B);
students[2] = new Student("Dean", "McLaughlin");
students[0].assignGrade(C);
students[3] = new Student("Robbie", "McLaughlin");
students[0].assignGrade(INCOMPLETE);