java program to print the reverse of a given number

public class Combination
{
 public static int reverseNumber(int no)
 {
  int ono=0,rev=0,rem;
  ono=no;
  while(ono!=0)
  {
    rem=ono%10;
    ono/=10;
    rev= (rev*10)+rem;
  }
  return rev;

 }
 public static void main(String[] args){
 Combination.reverseNumber(123);
 }

}