Question

Write a program in java that computes the volume of a cube, a sphere and a cuboid and call all the
member methods under main method.
Formula :
Volume of a cube (vc) = s*s*s
Volume of a sphere (vs) = 4/3 * pi * r * r * r(where pi = 3.14 or 22/7)
Volume of a cuboid (vcd) = l * b * h

Answer 1

Answer:

Program:-

import java.util.*;

public class Volume

{

int ch=0;

double s,r,l,b,h,vc=0.0,vs=0.0,vcd=0.0;

public void input()

{

Scanner in=new Scanner(System.in);

System.out.println("Enter 1 for volume of cube");

System.out.println("Enter 2 for volume of sphere");

System.out.println("Enter 3 for volume of cuboid");

System.out.println("Enter your choice");

ch=in.nextInt();

}

public void calculate()

{

switch(ch)

{

case 1:

System.out.println("Enter the side of cube");

s=in.nextDouble();

vc=s*s*s;

System.out.println("The volume of cube="+vc);

break;

case 2:

System.out.println("Enter the radius of sphere");

r=in.nextDouble();

vs=4.0/3.0*3.14*r*r*r;

System.out.println("The volume of sphere="+vs);

break;

case 3:

System.out.println("Enter the length, breath and height of cuboid");

l=in.nextDouble();

b=in.nextDouble();

h=in.nextDouble();

vcd=l*b*h;

System.out.println("The volume of cuboid="+vcd);

break;

default:

System.out.println("Invalid choice");

}

public static void main(String args[ ])

{

Volume vl=new Volume();

vl.input();

vl.calculate();

}

}