using System;

​

//singleton pattern

​

public sealed class Singleton{

    int count=0;

    private Singleton()

    {

        count=count+1;

        Console.WriteLine("Value of count is-->"+count);

    }

    private static Singleton instance=null;

    public static Singleton GetInstance{

        get{

        if(instance==null)

            instance=new Singleton();

        return instance;

        }

    }

    public void show()

    {

        Console.WriteLine("Show it");

    }

}

public class Program

{

    public static void Main()

    {

        Singleton s=Singleton.GetInstance;

        s.show();

        Singleton s2=Singleton.GetInstance;

        s2.show();

        //Console.WriteLine("Hello World");

        //Console.ReadLine();

    }

}