将给定的任意字符串倒置

Question

将给定的任意字符串倒置，什么意思？给一个例子好吗？谢谢！

Answer 1

就是 1个字符串  “abcdefg”
倒置 变成  "gfedcba"倒置就倒过来

Answer 2

字符串反序输出 很多啊
  class mytest
    {
        static void Main()
        {
            string str = string.Empty;
            do
            {
                Console.WriteLine("请输入字符串：");
                str = Console.ReadLine();
                string reversedStr = ReverseString(str);                StringBuilder displayTxt = new StringBuilder();
                displayTxt.AppendLine();
                displayTxt.Append("反序前：" + str);
                displayTxt.AppendLine();
                displayTxt.Append("反序后：" + reversedStr);
                StreamWriter strWriter = new StreamWriter(@"c:\ps.txt", true);
                strWriter.Write(displayTxt.ToString());
                strWriter.Close();
                Console.WriteLine("反序之后:{0}", reversedStr);
            } while (!string.IsNullOrEmpty(str));
        }        private static string ReverseString(string str)
        {
            StringBuilder strBuild = new StringBuilder();
            for (int i = str.Length - 1; i >= 0; i--)
            {
                strBuild.Append(str[i]);
            }
            return strBuild.ToString();
        }
    }

Answer 3

abcde
变成
edcba请参考
http://blog.csdn.net/amandag/archive/2009/06/08/4252723.aspx