Question

Write a program to input a number and display the new number of the reversing the digits of the original number. the program also displays the absolute difference between original number and the reversed number.

Answer 1

import java.util.Scanner;

class ReverseNumberWhile

{

public static void main(String args[])

{

int num=0;

int reversenum =0;

System.out.println("Input your number and press enter: ");

//This statement will capture the user input

Scanner in = new Scanner(System.in);

//Captured input would be stored in number num

num = in.nextInt();

while( num != 0 )

{

reversenum = reversenum * 10;

reversenum = reversenum + num%10;

num = num/10;

}

System.out.println("Reverse of input number is: "+reversenum);

}

}