Get day of week in Java

/*from   www .  j ava 2s .c om*/
import java.util.Calendar;

public class Main {
  public static void main(String[] args) {
    Calendar calendar = Calendar.getInstance();
    calendar.set(Calendar.YEAR, 2007);
    calendar.set(Calendar.DAY_OF_YEAR, 180);

    // See the full information of the calendar object.
    System.out.println(calendar.getTime().toString());

    // Get the weekday and print it
    int weekday = calendar.get(Calendar.DAY_OF_WEEK);
    System.out.println("Weekday: " + weekday);
  }
}