编辑代码

using System;

public class HelloWorld
{
    public static void Main()
    {
      string[] names = { "a", "b", "c","d", "e", "f" };//声明一个string类型的数组
            for (int i = 0; i < names.Length/2; i++)
            {
                string temp = names[i];//定义第三方变量，主要用于交换数据。
                names[i] = names[names.Length - 1 - i];
                names[names.Length - 1 - i] =temp;
            }
            for (int i = 0; i < names.Length; i++)
            {
                Console.WriteLine(names[i]);
            }
            Console.ReadKey();
    }
}