Program
package com.candidjava; public class ReverseNum { public static void main(String[] args) { int rev = 0; int num = 1234; int no=num; while (num > 0) { int rem = num % 10; rev = rem + (rev * 10); num = num / 10; } System.out.println("Number = "+no); System.out.println("Reverse = "+rev); } }
Output
Number = 1234
Reverse = 4321