统计大写字母个数

import java.util.Scanner;

public class Main{
public static void main(String[]args){
Scanner scanner = new Scanner(System.in);
String s=scanner.nextLine();
if (s.isEmpty()) {
System.out.println(0);
}else{
int no=0;
for (int i = 0; i < s.length(); i++) {
if (s.charAt(i)>=65 && s.charAt(i)<=90) {
no++;
}
}
System.out.println(no);
}
}
}

import java.util.Scanner;

public class GetUpperCaseNum {
/**
*
* 找出给定字符串中大写字符(即'A'-'Z')的个数
*/
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
String num = scan.nextLine();
int count = 0;
if(num.isEmpty())
System.out.println(0);
char[] ch = num.toCharArray();
for (char c : ch) {
if(Character.isUpperCase(c))
count++;
}
System.out.println(count);
}

}