public class fortest{

public static void main(String[] args) {

int num = 99;

int count = 0;

do {

count++;

num = num / 10;

}

while (num>1);

System.out.print("這個數(shù)是" + count + "位數(shù)");

}

}

自己試的是num>1，發(fā)現(xiàn)最高票的同學代碼是大于0，怎么沒有區(qū)別?。?/pre>