Al hilo de https://twitter.com/gallir/status/550750448232452096/photo/1

Thread.cs

// compile: mono-csc Threads.cs
// execute: mono Threads.exe


using System;
using System.Threading;

namespace Test
{
	class Threads
	{
		const int THREADS = 2;
		const int MAX_COUNT = 10000000;

		volatile static int counter = 0;

		public static void Run(object nn) {

			int n = (int)nn;

			for (int i = 0; i < n; i++)
			{
				counter += 1;
			}			
		}

		public static void Main (string[] args)
		{
			Thread[] threads = new Thread[THREADS];
			int i;
			
			for (i=0; i< THREADS; i++) {
				threads[i] = new Thread(new ParameterizedThreadStart(Threads.Run));
			}

			for (i=0; i< THREADS; i++) {
				threads[i].Start(MAX_COUNT/THREADS);
			}
			
			for (i=0; i< THREADS; i++) {
				threads[i].Join();
			}
			
			Console.WriteLine("Counter value: {0} Expected: {1}\n", counter, MAX_COUNT);
		}
	}


}

La tunda sobre Java es notable ;) http://imgur.com/Z0cnKAC