class student
{
	protected String no;
	public void print()
	{
		System.out.println("ѧΪ"+no);
	}
}
class graduate extends student
{
	String dept;
	//
	public void print()
	{
		//øдǵķѧ
		super.print();
		System.out.println("רҵΪ"+dept);
	}
}
public class OverrideDemo4_13 {
	public static void main(String[] args) {
		student s=new student();
		graduate g=new graduate();
		s.no="11111111";
		s.print();		//󣬵øеĳԱ
		System.out.println("--------");
		g.no="22222222";
		g.dept="Computer";
		g.print();		//󣬵еĳԱ
	}
}
