CAR类的索引器

using System;
namespace Class6
{
    class Car
    {
        string[] wheels = new string[4];
        public Car()
        {
            wheels[0] = "左前轮";
            wheels[1] = "右前轮";
            wheels[2] = "左后轮";
            wheels[3] = "右后轮";

        }
        public string this[int index]//car类索引器
        {
            get
            {
                return wheels[index];
            }
            set
            {
                wheels[index] = value;
            }
        }
        static void Main()
        {
            Car myCar = new Car();
            Console.WriteLine(myCar[1].ToString());
            myCar[0] = "fdasfda";
            Console.WriteLine(myCar[0].ToString());
        }
    }
}