java学习46天2020/8/20

public class student1  {
	protected String name;
	protected int classid;
	protected int id;
	public student1(String str,int n,int m)
	{
		name=str;classid=n;id=m;
	}
	 public void move()
	 {
	  System.out.println("上课，学习");
	 }
	 public void display()
	 {
		 System.out.println("姓名"+name+" "+"班级"+classid+" "+"学号"+id);
	 }
}

 

public class teacher extends student1{
	protected  int tid;
	protected int salary;
	public teacher(String str,int k,int s,int n,int m)
	{
		super(str,k,s);
	    tid=n;salary=m;
	}
	public void tmove()
	 {
		System.out.println("批改作业，备课，上课");
	 }
	 void tdisplay()
	 {
		 System.out.println("工号"+tid+" "+"工资"+salary);
	 }
	 public static void main(String [] args)
	 {
		 teacher m=new teacher("asd",5,001,0065,8000);
		 m.move();
		 m.tmove();
		 m.display();
		 m.tdisplay();
		 
		 
	 }

}

 

 

 二.使用super来引用父类构造函数

三，例题