Static members in C#

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

 

namespace Test_in_cs

{

    //Class for demonstration of static member.

    class staticdemo

    {

        private static int count;

        private int info;

        public staticdemo()//Constructor.

        {

            count++;//Static member increments with every instantiation.

        }

        public static void num()//Static method.

        {

            Console.WriteLine("Number of objects is: " + count);

        }

        public int setter(int a)

        {

            info = a;

            return info;

        }

    }

    class Program

    {

        static void Main(string[] args)

        {

            Console.Write("Enter the number of objects to be created: ");

            String s = Console.ReadLine();

            int n = int.Parse(s);

            staticdemo[] obj = new staticdemo[n];//Only memory allocation.

            staticdemo.num();

            for (int i = 0; i < n; i++)

            {

                obj[i] = new staticdemo();//Actual instantiation.

                Console.Write("Information in object " + (i+1));

                Console.WriteLine("is " + obj[i].setter(i + 1));

            }

            staticdemo.num();

        }

    }

}