Get Day-of-Week for a Particular Date

import java.util.Calendar;
import java.util.GregorianCalendar;

public class Main {
  public static void main(String[] argv) throws Exception {

    Calendar xmas = new GregorianCalendar(1998, Calendar.DECEMBER, 25);
    int dayOfWeek = xmas.get(Calendar.DAY_OF_WEEK); // 6=Friday

    Calendar cal = new GregorianCalendar(2003, Calendar.JANUARY, 1);
    dayOfWeek = cal.get(Calendar.DAY_OF_WEEK); // 4=Wednesday
  }
}