题解 | #统计大写字母个数#
统计大写字母个数
https://www.nowcoder.com/practice/434414efe5ea48e5b06ebf2b35434a9c
import java.util.Scanner;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String str = in.nextLine();
int len = str.length() - str.replaceAll("[A-Z]","").length();
System.out.println(len);
}
}
