public String getWeekdayOfMonth(int number, int weekday, int month, int year) {
		return getWeekdayRelativeTo(String.format("%04d-%02d-01", year, month), weekday, number, true);
	}
public String getWeekdayOfMonth ( int number , int weekday , int month , int year ) { return getWeekdayRelativeTo ( String . format ( "%04d-%02d-01" , year , month ) , weekday , number , true ) ; }
Get the date of a the first, second, third etc. weekday in a month

@author Hans-Peter Pfeiffer
@param number
@param weekday
@param month
@param year
@return date