题解 | #统计数据正负个数#

import java.util.Arrays;
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().split(" ");
        int count_1=0;
        int count_2=0;
        for(int i=0;i<10;i++){
            int m= Integer.parseInt(str[i]);
         if(m>0){
              count_1++;
         }else if(m==0){

         }else{
               count_2++;
         }
        }

        System.out.printf("positive:%d\nnegative:%d",count_1,count_2);
    }
}