C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.Threading;
using System.Windows.Forms;

namespace MemoryTest
{
	class Program
	{
		static void Main(string[] args)
		{
			int count = 0;
			int size = 1024 * 1024 * 100;
			byte[][] buffer = new byte[1024][];

			try
			{
				do
				{
					buffer[count] = new byte[size];
					Array.Clear(buffer[count], 0, buffer[count].Length);

					Console.Out.WriteLine("count={0} size={1}", count.ToString(), buffer[count].Length.ToString());
					MessageBox.Show("Click Ok to continue", "Got RAM?", MessageBoxButtons.OK, MessageBoxIcon.Question);

					count++;

				} while (true);
			}
			catch (Exception e)
			{
				Console.WriteLine("{0} Exception caught (count={1})", e, count.ToString());
			}
		}
	}
}