core-java-practice/BoxDemo.java at master · arpit728/core-java-practice · GitHub

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class Box

{

private double width;

private double height;

private double depth;

Box(Box ob)

{

width=ob.width;

height=ob.height;

depth=ob.depth;

}

double volume()

{

return(width*height*depth);

}

Box(double w,double h,double d)

{

width=w;

height=h;

depth=d;

}

class BoxWeight extends Box

{

double weight;

BoxWeight(BoxWeight ob)

{

super(ob);

}

BoxWeight(double w,double h,double d,double m)

{

super(w,h,d);

weight=m;

}

class BoxDemo

{

public static void main(String[]args)

{

BoxWeight mybox1=new BoxWeight(10,20,15,34.3);

BoxWeight mybox2=new BoxWeight(mybox1);

double vol;

vol=mybox1.volume();

System.out.println(vol);

vol=mybox2.volume();

System.out.println(vol);

}

core-java-practice/BoxDemo.java at master · arpit728/core-java-practice · GitHub

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