题解 | #统计大写字母个数#

import java.util.Scanner;

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();
        char[] array = s.toCharArray();
        int count=0;
        for (char c : array) {
            if (String.valueOf(c).matches("[A-Z]")){
                count++;
            }
        }
        System.out.println(count);
    }
}