1、package com.liushuo;
import java.util.Scanner;
public class Test12 {
public static void main(String[] args) {
// 从键盘输入一个0~99999之间的任意数，判断输入的数是几位数
Scanner input = new Scanner(System.in);
int number = input.nextInt();
int count = 0;
if (number < 0 || number > 999999)
System.out.println("输入错误");
else {
while (number > 0) {
number = number / 10;
count++;
}
System.out.println("输入的数是" + count + "位数");
}
}
}
