题解 | #统计输入正数个数#5.6

import java.util.*;

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

        //write your code here......
        //思路：用a来判断是否跳出循环 
        //优化 用ture 来循环 用break跳出循环
        int a=0;
        while (a == 0){
            int b =scanner.nextInt();
             if (b> 0) {
                count += 1;
                }else{
                    a=1;
                }
        }
        System.out.println(count);

    }
}