class Program
    {
        static void Main(string[] args)
        {

            Console.WriteLine(Class1.get(190));
            GC.Collect();
            Console.ReadKey();
        }
    }

    public static class Class1
    {
        public static int[] arr = new int[20480000];

        static Class1()
        {
            for (int i = 1; i < arr.Length; i++)
            {
                arr[i] = i;
            }
        }

        public static int get(int i)
        {
            return arr[i];
        }
    }

public interface IHelloWorld
{
    string HelloWorld();
}
 
//然后是接口的两个实现.
public class HelloWorldEnglish : IHelloWorld
{
    string IHelloWorld.HelloWorld()
    {
        return "Hello World !";
    }
}
public class HelloWorldChinese : IHelloWorld
{
    string IHelloWorld.HelloWorld()
    {
        return "您好 世界 ！";
    }
}

public class People
{
    private readonly IHelloWorld  peopleHelloWorld;
    public People(IHelloWorld helloWorld)
    {
        this.peopleHelloWorld = CreateSingle()
//这里你可以使用单例模式创建出来HelloWorldEnglish 或 HelloWorldChinese
    }
    public void SayHello()
    {
        Console.WriteLine(this.peopleHelloWorld.HelloWorld());
    }
}