using System;

using System.Runtime.Caching;

public class Program

{

    private static readonly Lazy<MemoryCache> _memoryCache = new Lazy<MemoryCache>(() => new MemoryCache("sdfds"));

    public static void Main()

    {

        Console.WriteLine("Hello World");

        _memoryCache.Value.Add("test","Test0",DateTime.Now.AddSeconds((30)));

        _memoryCache.Value.Remove("test");

        _memoryCache.Value.Add("test","Test1",DateTime.Now.AddSeconds((30)));

        _memoryCache.Value.Add("test","Test2",DateTime.Now.AddSeconds((30)));

        Console.WriteLine(_memoryCache.Value.Get("test"));

    }

}