using System;

using System.Linq;

using System.Threading;

​

public class Program

{

    private static int j;

​

    public static void Main1()

    {

        var threads = Enumerable.Range(0, 50).Select(

            x =>

            {

                var thread = new Thread(DoWork) { Name = x.ToString() };

                return thread;

            });

​

        foreach (var thread in threads)

            thread.Start();

​

        foreach (var thread in threads)

            if (thread.IsAlive) thread.Join();

​

​

        Console.WriteLine(j);

        Console.ReadLine();

    }

​

    private static void DoWork()

    {

        //this line can be ignored 

        Thread.Sleep(new Random(3).Next(0, 10));

        j++;

    }

}