问答题

本程序统计score[]={37,89,63,60,59,78,91}中成绩不及格的人数。
public class exam_57{
public static void main(String[] args) {
int score[]={37,89,63,60,59,78,91);
int sum=0;
int i=0;
while(i＜score.length){
if(score[i]＞=60){
______;
______;
}
______;
i++;
}
System.out.println("below 60 sum:"+sum);
}
}