Program to exchange the digits of 2-digit number

/*  Program to exchange the digits of 2-digit number */

class P8
{
    public static void main(String args[])
    {
        int number= 71, temp, tens;

        System.out.println("\n The Original Number : "+number);

        temp = number % 10;
        tens = 10 * temp;
        temp = number /10;
        number = tens + temp ;

        System.out.println("\n The Exchanged Number : "+number);
              
    }
}