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  • java学习45天2020/8/19

    public class people{
    	protected int age;
    	protected String name;
    	public people(int a,String m)
    	{
    		age=a;name=m;
    	}
    	public void setvalue(int a,String m)
    	{
    		age=a;name=m;
    	}
    	public void play()
    	{
    		System.out.println(age+" "+name);
    	}
    }
    
    public class student11 extends people {
        protected int ID;
        public student11() {
            super(24,"asd");
        };
        public student11(int a,String m,int b)
        {
            super(a,m);
            ID=b;
        }
        public void setid(int a)
        {
            ID=a;
        }
        public void playid()
        {
            System.out.println(ID);
        }
        public static void main(String [] args)
        {
            student11 s=new student11(25,"asd",001);
            s.setvalue(21,"sdf");
            s.setid(002);
            s.play();
            s.playid();
        }
    }

     

    三例题

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  • 原文地址:https://www.cnblogs.com/qiangini/p/13583395.html
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