Reverse Number

/* This program reverses any number passes as parameter to the function reverse(int num)  and prints it*/
class Reverse
{
 void reverse(int num)
 {
     int tmp=num,rev=0;
     while(tmp!=0)
     {
         rev=rev*10+(tmp%10);
         tmp=tmp/10;

    }
    System.out.println("Reverse of number is "+rev);
}
}