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
}
}