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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10.   static Scanner keyboard = new Scanner(System.in);
  11.  
  12.    public static int reverseDigits(int num)
  13.    {
  14.       if (num < 0)
  15.          num = (num * -1);
  16.      int out = 0;
  17.      do
  18.      {
  19.          out *= 10;
  20.          out += num % 10;
  21.          num /= 10;
  22.      } while (num != 0);
  23.      return out;
  24.    }
  25.  
  26.    public static void main(String[] args)
  27.    {
  28.      int number = 0;
  29.      int output = 0;
  30.      System.out.println("Please enter a number:");
  31.      number = keyboard.nextInt(); 
  32.      output = reverseDigits(number);
  33.      System.out.println(output);
  34.  
  35.  
  36.  
  37.    }
  38.  
  39. }
Success #stdin #stdout 0.14s 321344KB
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Please enter a number:
98642
https://ideone.com/933fjT
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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