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();
    }

}

package bbb;
class rectangle
{
    protected int w;
    protected int h;
    public void setw(int w)
    {
        this.w = w;
    }
    
    public void seth(int h)
    {
        this.h = h;
    }
    
    public int crectangle()
    {
        return this.w*h;
    }
}

class cuboid extends rectangle
{
    private int l;
    public void setl(int l)
    {
        this.l = l;
    }
    public int crectangle()
    {
        return this.w*h*l;
    }
    
}
public class mathtest {

    public static void main(String[] args) {
        // TODO 自动生成的方法存根
        rectangle m = new
    }

}