Java Program to Perform Operations on Cube, Cuboid, Sphere and Cylinder

import java.io.*;
public class Driver
{
    public static void main(String[] args) throws IOException
    {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in)) ;

        Cube c=new Cube();					//creating objects for all classes
        Cuboid cd=new Cuboid();
        Sphere s=new Sphere();
        Cylinder cr=new Cylinder();

        System.out.println("1. Cube");				//user input
        System.out.println("2. Cuboid");
        System.out.println("3. Sphere");
        System.out.println("4. Cylinder");

        System.out.println("enter your choice:");		//choice reading
        int a= Integer.parseInt(br.readLine());

        switch (a) 						//actions based on choice
        {
            case 1:

                System.out.println("Enter value for side:");
                Float side= Float.parseFloat(br.readLine());

                System.out.println("The surface area for cube is=" + c.surfaceArea(side));
                System.out.println("The volume of cube=" + c.volume(side));
                break;

            case 2:
                System.out.println("Enter value of length:");
                float length= Float.parseFloat(br.readLine());

                System.out.println("Enter value of breadth");
                Float breadth= Float.parseFloat(br.readLine());

                System.out.println("Enter value of height:");
                Float height= Float.parseFloat(br.readLine());

                System.out.println("Surface area of cuboid is=" + cd.surfaceArea(length,breadth,height));

                System.out.println("volume of cuboid is=" + cd.volume(length,breadth,height));
                break;


            case 3:

                System.out.println("Enter value for radius:");
                Float radius= Float.parseFloat(br.readLine());

                System.out.println("The surface area for Sphere is=" + s.surfaceArea(radius));
                System.out.println("The volume of Sphere=" + s.volume(radius));
                break;

            case 4:

                System.out.println("Enter value for radius:");
                float radius1= Float.parseFloat(br.readLine());

                System.out.println("Enter value for height:");
                float height1= Float.parseFloat(br.readLine());

                System.out.println("The surface area for Sphere is=" + cr.surfaceArea(radius1,height1));
                System.out.println("The volume of Sphere=" + cr.volume(radius1,height1));
                break;

            case 5:
                System.exit(0);

            default:
                System.out.println("Invalid Entry!");
        }
    }
}

class Cube
{
    public float surfaceArea(float side) 	//surface area calculation
    {
        return 6*side*side;
    }

    public float volume(float side) 	//volume calculation using formula
    {
        return (side*side*side);
    }
}

class Cuboid
{
    public float surfaceArea(float length,float breadth,float height)
    {
        return (2*((length*breadth)+(breadth*height)+(height*length))) ;
    }

    public float volume(float length,float breadth,float height)
    {
        return (length*breadth*height );
    }
}

class Cylinder
{
    public float surfaceArea(float radius,float height)
    {
        return (2*22/7*radius*height );
    }

    public float volume(float radius,float height)
    {
        return (22/7*radius*radius*height );
    }
}

class Sphere
{
    public float surfaceArea(float radius)
    {
        return 4/3*22/7*radius*radius ;
    }

    public float volume(float radius)
    {
        return (4/3*22/7*radius*radius*radius );
    }
}

 OUTPUT:

1. Cube
2. Cuboid
3. Sphere
4. Cylinder
enter your choice:
1
Enter value for side:
10
The surface area for cube is=600.0
The volume of cube=1000.0