Demonstrate the Method Overloading feature of Object Oriented 

Programming using example of “calculate Volume of given objects” program.

Create a Volume class called by main class which contains method volume that 

calculate the volume of cube or cuboid or cylinder, depending on number of 

parameters. Read all the inputs from user. Result has to be printed in main class.

(CODE)

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

class Volume

{

   double volume(double l)

   {

      return l*l*l;

   }

   double volume(double r,double h)

   {

      return 3.14*r*r*h;

   }

   double volume(double l,double w,double h)

   {

      return l*w*h;

   }

   void printMenu()

   {

     System.out.println("Select One to Calculate Volume or Exit");

     System.out.println("1) Cube");

     System.out.println("2) Cuboid");

     System.out.println("3) Cylinder");

     System.out.println("4) Exit");

   }

}

public class lab3A1

{

    public static void main(String args[]) throws NumberFormatException, IOException

    {

       Volume v=new Volume();

       int option;

       boolean exit=false;

       BufferedReader br =new BufferedReader(new InputStreamReader(System.in));

       double answer,l,w,h,r;

       do

       {

          v.printMenu();

          try

          {

             option=Integer.parseInt(br.readLine().toString());

          }

          catch(Exception e)

          {

             option=5;

             System.out.println(e);

          }

          if(option==1)

          {

             System.out.println("Enter the Cube Length:");

             answer=v.volume(Double.parseDouble(br.readLine().toString()));

             System.out.println("The Volume of Cube is:"+answer);

          }

          else if(option==2)

          {

             System.out.println("Enter the Cuboid Length:");

             l=Double.parseDouble(br.readLine().toString());

             System.out.println("Enter the Cuboid Width:");

             w=Double.parseDouble(br.readLine().toString());

             System.out.println("Enter the Cuboid Height:");

             h=Double.parseDouble(br.readLine().toString());

             answer=v.volume(l,w,h);

             System.out.println("The Volume of Cuboid is:"+answer);

           }

           else if(option==3)

           {

             System.out.println("Enter the Cylinder Radius:");

             r=Double.parseDouble(br.readLine().toString());

             System.out.println("Enter the Cylinder Height:");

             h=Double.parseDouble(br.readLine().toString());

             answer=v.volume(r,h);

             System.out.println("The Volume of Cylinder is:"+answer);

            }

            else if(option==4)

            {

              exit=true;

              System.out.println("Closing Program");

            }

            else

            {

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

             }

         }while(!exit);

   }

}