题解 | #统计输入正数个数#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        StringBuilder numbers = new StringBuilder();
        int count = 0;

       

        while (scanner.hasNextInt()) {
            int number = scanner.nextInt();
            if (number > 0) {
                if (count > 0) {
                    numbers.append(" ");
                }
                numbers.append(number);
                count++;
            } else {
                break; // 当遇到非正数时跳出循环
            }
        }
        System.out.println( count);
        scanner.close();
    }
}