import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; public class Main{ public static void main(String[] args) { Date date1 = (new GregorianCalendar(2009, Calendar.OCTOBER, 17)).getTime(); System.out.println(new SimpleDateFormat("EEEE").format(date1)); } }