题目描述
将字符串进行大小写转换。(控制台应用程序)
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace 字符串大小写转换 { class Program { static void Main(string[] args) { string mystr = "This is an example of conversation on string"; Console.WriteLine("大写字母:" + mystr.ToUpper()); Console.WriteLine("小写字母:" + mystr.ToLower()); Console.ReadKey(); } } }