private static long reverse ( long number ) {
  long reverse = 0 ;
  while ( number > 0 ) {
    long remainder = number % 10 ;
    reverse = ( reverse * 10 ) + remainder ;
    number = number / 10 ;
  }
  return reverse ;
}

private static long reverse ( long number ) { long reverse = 0 ; while ( number > 0 ) { long remainder = number % 10 ; reverse = ( reverse * 10 ) + remainder ; number = number / 10 ; } return reverse ; }
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