testjava

class Box{


	private int w;
	private int h;
	private int d;

	/*public int getW(){
		return w;
	}
	public void setW(int w){
		this.w=w;
	}
	public void setH(int h){
		this.h=h;
	}
	public int getH(){
		return h;
	}
	public void setD(int d){
		this.d=d;
	}
	public int getD(){
		return d;
	}
	*/

	Box(){}

	Box(int w,int h,int d){
		this.w=w;
		this.h=h;
		this.d=d;
	}

	Box(Box box){
		w=box.w;
		h=box.h;
		d=box.d;
	}
	double vol(){
		return w*h*d;
	}
}
class Weight extends Box{
	int weight;
	double vol;
	Weight(int w,int h,int d, int wt){
	super(w,h,d);

	/*Box b3=new Box();
	b3.setD(d);
	b3.setH(h);
	b3.setW(w);
	Box b4=new Box(b3);
		*/
		weight=wt;
	}
}
public class Examle6 {

    public Examle6() {
    }

    public static void main(String[] args) {
       // Box b=new Box(10,20,30);
       /* Box b=new Box();
        b.w=10;
        b.h=20;
        b.d=30;
        b.setD(30);
        b.setH(20);
        b.setW(10);
        Box b1=new Box(b);
        System.out.println("Width:  "+b.getW());
        System.out.println("Height: "+b.getH());
        System.out.println("Depth:  "+b.getD());*/
       // System.out.println("Volume: "+b.vol());
        Weight ww=new Weight(4,5,6,7);
        System.out.println("New Volume: "+ww.vol());
        System.out.println("Weight:     "+ww.weight);
    }
}