return the length of a previous month of the gregorian calendar . concode_field_sep int MILLIS_PER_SECOND concode_elem_sep int JULIAN_1_CE concode_elem_sep int[] DAYS_BEFORE concode_elem_sep int MILLIS_PER_HOUR concode_elem_sep long MIN_MILLIS concode_elem_sep int[] MONTH_LENGTH concode_elem_sep long MAX_MILLIS concode_elem_sep int MILLIS_PER_DAY concode_elem_sep int JULIAN_1970_CE concode_elem_sep int MILLIS_PER_MINUTE concode_field_sep int[] dayToFields concode_elem_sep int dayOfWeek concode_elem_sep int[] timeToFields concode_elem_sep int getDayOfWeekInMonth concode_elem_sep int monthLength concode_elem_sep long fieldsToDay concode_elem_sep boolean isLeapYear concode_elem_sep long floorDivide concode_elem_sep long floorDivide
int function ( int arg0 , int arg1 ) { return ( arg1 > 0 ) ? monthLength ( arg0 , arg1 - 1 ) : 31 ; }