Write a program to reverse a number in java

 Write a program to reverse a number in java

public class ReverseNumber

{

    public static void main(String args[]){

        int number =123,reverseNumber=0;

        

        while(number!=0){

        reverseNumber =reverseNumber * 10 + number%10;

        number=number/10;

        

        }

        

        System.out.println(reverseNumber);

    }

}

Output

321