static void Main(
string[] args)
{
Console.WriteLine("*********");
BasicStringFunctionality();
Console.ReadLine();
}
private static void BasicStringFunctionality()
{
string fisstName =
"Freddy";
//转换成大写
Console.WriteLine(
"转成大写{0}", fisstName.ToUpper());
Console.WriteLine("转成小写{0}", fisstName.ToLower());
Console.WriteLine("是否包含y {0}", fisstName.Contains(
"y"));
Console.WriteLine("替换dy :{0}", fisstName.Replace(
"dy",
""));
}
转载于:https://www.cnblogs.com/luckystar2013/archive/2013/04/27/3046729.html
