Memory Cache sample code

MemoryCache_sample.cs

using System;
using System.Runtime.Caching;
using System.Threading;

namespace cache_test
{
    class Program
    {
        static void Main(string[] args)
        {
            MemoryCache cache = MemoryCache.Default;
            
            // expire after 5 sec
            cache.Set("hi", 444, DateTimeOffset.Now.AddSeconds(5));

            while (true)
            {
                object val = cache.Get("hi");

                if (val == null)
                    Console.WriteLine("cache miss");
                else
                    Console.WriteLine("cache : {0}", val);

                Thread.Sleep(1000);
            }
        }
    }
}