public class PersonTest {

    public static void main(String[] args) {

	Student s1 = new Student("Joe Freshman", 123, 2004);
	Student s2 = new Student("Suzy Sophomore", 456, 2003);
	Student s3 = new Student("Johnny Junior", 789, 2002);
	Student s4 = new Student("Sally Senior", 112, 2001);

	Professor p1 = new Professor("Dave", 234, "CSCI");
	Professor p2 = new Professor("Mr. Old Foagy", 567, "PHIL");
	Professor p3 = new Professor("Mr. I have more brains than god.",
				     890, "MATH");

	

    }

}