Classes and Objects in C#

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

 

namespace Test_in_cs

{

    class cone

    {

        private float height, radius;

        public cone(float h, float r)

        {

            height = h;

            radius = r;

        }

        public void setdata(float h, float r)

        {

            height = h;

            radius = r;

        }

        public void displaydata()

        {

            Console.WriteLine("Height= " + height);

            Console.WriteLine("Radius= " + radius);

        }

        public void volume()

        {

            float v;

            v = (1 / 3.0f) * 3.14f * radius * radius * height;

            Console.WriteLine("Volume= " + v);

        }

    }

    class Program

    {

        static void Main(string[] args)

        {

            //Class instantiation and member calling.

            cone c1 = new cone(10.0f, 3.5f);

            cone c2 = new cone(20.0f, 6.2f);

            c1.displaydata();

            c1.volume();

            c2.displaydata();

            c2.volume();

            Console.WriteLine("\nData after setting:");

            c1.setdata(100.0f,100.0f);

            c1.displaydata();

            //Class instantiation and member calling.

            Console.Write("Enter the string: ");

            String s2 = Console.ReadLine();

            for (int i = 0; i < s2.Length; i++)

            {

                if (s2[i] == ' ')

                {

                    s2 = s2.Remove(i, 1);

                    s2 = s2.Insert(i,"space");

                }

            }

            Console.WriteLine(s2);

        }

    }

}