实训 

package bbb;
class Monkey
{
     Monkey()
        {
        }
        Monkey(String s)
        {
            
        }
    public void speak()
        {
            System.out.println("yiyiyaya....");
        }
    public void think() {
        // TODO 自动生成的方法存根
        
    }
    }
class people extends Monkey
{
    public people()
    {
        super();
    }
    public void speak()
    {
        System.out.println("小样！");
    }
    public void think()
    {
        System.out.println("别说话 ，认真思考！");
    }
}
    
    
public class ccc {
    public static void main(String [] argc)
    {
        people p =  new people();
        people pt = new people();
        p.speak();
        pt.think();
    }

}
 1 package bbb;
 2 class rectangle
 3 {
 4     protected int w;
 5     protected int h;
 6     public void setw(int w)
 7     {
 8         this.w = w;
 9     }
10     
11     public void seth(int h)
12     {
13         this.h = h;
14     }
15     
16     public int crectangle()
17     {
18         return this.w*h;
19     }
20 }
21 
22 class cuboid extends rectangle
23 {
24     private int l;
25     public void setl(int l)
26     {
27         this.l = l;
28     }
29     public int crectangle()
30     {
31         return this.w*h*l;
32     }
33     
34 }
35 public class mathtest {
36 
37     public static void main(String[] args) {
38         // TODO 自动生成的方法存根
39         rectangle m = new
40     }
41 
42 }

 

posted on 2019-05-10 11:41  52.Hz  阅读(91)  评论(0)    收藏  举报