面试题001

 public void GetLength()
        {
            string str = "abc123中文汉字";
            Console.WriteLine(str);
            int i = System.Text.Encoding.Default.GetBytes(str).Length;
            int j = str.Length;
            Console.WriteLine(i);
            Console.WriteLine(j);
        }
答案：字母和数字占一个字节，汉字站两个字节
i = 14
j = 10