Reverse a Number In Java

 

You can copy below program directly and execute it in editor :

	package com.crtr4u.www;
	public class ReverseNumber {
		public static void main(String[] args) {
			int originalNumber =3456789, reverseNumber = 0, remainder;
	        while (originalNumber != 0)
	        {
	            remainder = originalNumber % 10;
	            reverseNumber = reverseNumber * 10 + remainder;
	            originalNumber /= 10;
	        };
	        System.out.println ("reverse Number: " + reverseNumber);
		}
	
	}


Output :
reverse Number: 9876543