// User program to test Student and GradStudent

public class Students
{
	public static void main(String[] args)
	{
		Student s;					// s can be a Student or GradStudent
		GradStudent g;
		s = new Student("George", "Duke", "Music");						// use the constructors that start gpa and hours at 0
		g = new GradStudent("George", "Duke", "Music", "English");
		s.newClass('A', 3);s.newClass('B', 3);s.newClass('C', 3);s.newClass('A', 3);s.newClass('A', 3);s.newClass('B', 3);s.newClass('F', 3);s.newClass('A', 3);	// give s some classes
		g.newClass('A', 3);g.newClass('B', 3);g.newClass('C', 3);g.newClass('D', 3);g.newClass('C', 3);			// give g some classes, note the 'D' should cause an error message
		System.out.println(s);
		System.out.println(g);
		System.out.println("Are s and g the same?  " + g.equals(s));		// should be false because s is a Student, not a GradStudent
		s = new GradStudent("George", "Duke", "Music", "English", 2.75, 12);
		System.out.println(s);
		System.out.println("Are s and g the same?  " + g.equals(s));		// should be true because s is a GradStudent
		EducationGradStudent e = new EducationGradStudent("Ruth", "Underwood", "Education", "Music");
		e.newClass('B', 3);e.newClass('C', 3);e.newClass('A', 4);e.newClass('B', 4);e.newClass('F', 3);e.newClass('C', 3);e.newClass('A', 3);
		System.out.println(e);
	}
}