staticvoid Main(string[] args) { Console.Write("请输入大小写字母,以回车键结束:"); string inputStr = Console.ReadLine(); char[] CharArr = inputStr.ToCharArray(); int count=0; for (int i =0; i <CharArr.Length; i++) { if (CharArr[i]>='A'&& CharArr[i]<='Z') count++; } Console.WriteLine("搜索到大写字母:{0}个",count); Console.ReadLine(); }
staticvoid Main(string[] args) { Console.Write("请输入大小写字母,以回车键结束:"); int count =0; foreach (char c in Console.ReadLine().ToCharArray()) { if (c >='A'&& c <='Z') count++; } Console.WriteLine("搜索到大写字母:{0}个", count); Console.ReadLine(); }