C# Sample code :shows a threading Trap

using System;
using System.Threading;

namespace ThreadTrap1
{
/// <summary>
/// This example shows a threading Trap, you simply can't
/// rely on threads executing in the order in which they
/// are started.
/// </summary>
class Program
{
static void Main(string[] args)
{

Thread T1 = new Thread(new ThreadStart(Increment));
Thread T2 = new Thread(new ThreadStart(Increment));
T1.Name = "T1";
T2.Name = "T2";
T1.Start();
T2.Start();
Console.ReadLine();
}

private static void Increment()
{
for (int i = 0; i < 100000;i++ )
if (i % 10000 == 0)
Console.WriteLine("Thread Name {0}",
Thread.CurrentThread.Name);
WriteDone(Thread.CurrentThread.Name);
}

private static void WriteDone(string threadName)
{
switch (threadName)
{
case "T1" :
Console.WriteLine("T1 Finished");
break;
case "T2":
Console.WriteLine("T2 Finished");
break;
}
}
}
}