2) Write a Java program that finding Length, Volume & Surface of Cube using Inheritance.

 

class Cube

{

int length;

public Cube(int len)

{

length=len;

}

void display()

{

System.out.println("length="+length);

}

public void surface()

{

int s=length*length*length;

System.out.println("surface="+s);

}

}

class Cuboid extends Cube

{

int height,width;

Cuboid(int ht,int wd,int l)

{

super(l);

height=ht;

width=wd;

}

public void volume()

{

int vol;

vol=height*width*length;

System.out.println("volume="+vol);

}

}

class Cube_Cuboid

{

public static void main(String ad[])

{

Cuboid cb=new Cuboid(10,2,5);

cb.display();

cb.surface();

cb.volume();

}

}

Output:

length=5

surface=125

volume=100