protected int handleGetMonthLength ( int extendedYear , int month ) { return handleComputeMonthStart ( extendedYear , month + 1 , true ) - handleComputeMonthStart ( extendedYear , month , true ) ; }
Returns the number of days in the given month of the given extended year of this calendar system . Subclasses should override this method if they can provide a more correct or more efficient implementation than the default implementation in Calendar .