Testing Threading and parallel tasks in C# 4.5

ThreadingClass.cs

public class ThreadingClass
{
    private static Random rnd = new Random();
    public void StartSomeWork()
    {
        var threadNumber = 0;
        var threadStart = new ThreadStart(() =>
        {
            Thread.CurrentThread.Name = string.Format("Thread {0}", ++threadNumber);

            var myValue = rnd.Next(10);

            Thread.Sleep(1000);
            Console.WriteLine("{0} finished!", Thread.CurrentThread.Name);
        });

        var threadList = new List<Thread>();
        for (var i = 1; i < 10; i++)
            threadList.Add(new Thread(threadStart));

        threadList.ForEach(t => t.Start());

        threadList.ForEach(t => t.Join());
    }
}