163-各类字符数

[java]代码库

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);    
 
        String s = scan.nextLine();//以换行为结束
        int i, max = 0, min = 0, other = 0;
        for(i = 0; i < s.length(); i++)
        {
        	if(s.charAt(i) >= 'A' && s.charAt(i) <= 'Z')//大写字母数
        		max++;
        	else if(s.charAt(i) >= 'a' && s.charAt(i) <= 'z')//小写字母数
        		min++;
        	else //非英文字母数
        		other++;
        }
        System.out.println(max);
        System.out.println(min);
        System.out.println(other);
   }
}