To reverse any integer ( number )

Question 49 : Write a program in Java to reverse any integer ( with any number of digits ) taken as input by the user.

Sample input : 12345

Sample output : 54321

Java Program : 

class rev
{
 static void cal(int n)
 {
     int rev=0;
     while(n>0)
     {
         rev=(rev*10)+(n%10);
         n=n/10;
        }
        System.out.print("The reversed number : "+rev);
    }
}