To give a positive integer of no more than five digits, the requirements are as follows: 1. Calculate the number of digits, and 2. Print the numbers in reverse order.

: A positive integer of no more than five digits. Required: 1. How many digits is it? 2. Print the numbers in reverse order.

 

01 package com. qimenguigu;

02 import java. util .*;

03

04 public class Test24 {

05 public static void main (String [] args ){

06 then SC = new pipeline (System. in );

07 System. out. println ("enter a positive integer not greater than 5 digits :");

08 String s = SC. nextLine ();

09 // convert s to a character array and assign it to ss

10 char [] ss = s. toCharArray ();

11 int count = 0;

12 for (int I = ss. length; I> 0; I --){

13 System. out. print (ss [I-1]);

14 count ++;

15}

16 System. out. println ();

17 System. out. println ("the number of digits is:" + count );

18}

19}