using System;

using System.Collections.Generic;

using System.Threading.Tasks;

​

namespace Test

{

    public class Program

    {

        public static void Main(string[] args)

        {

            var tasks = new List<Task>();

​

            for (int i = 0; i < 100; i++)

            {

                var task = Task.Run(() =>

                {

                    Console.WriteLine(i);

                });

                tasks.Add(task);

            }

            Task.WaitAll(tasks.ToArray());

​

            Console.WriteLine("done");   

        }

    }

}

​