using System;

using System.Linq;

using System.Collections.Generic;

​

namespace Singleton

{

    public class Singleton

    {

        private Singleton()

        {

        }

        protected static Singleton _obj;

        public static Singleton GetObject()

        {

            if(_obj == null)

            {

                _obj = new Singleton();

            }

            return _obj;

        }

        public void Print(string s)

        {

            Console.Write(s);

        }

​

    }

​

    public class Program

    {

        public static void Main()

        {

            Singleton objSingleton=Singleton.GetObject();

            objSingleton.Print("Sample Test");

            Console.ReadLine();

        }

    }

}