获取一周的第几天

注：周天是第一天

import java.util.Calendar;
public  class WhichDayofCalendar{public static void main(String[] args) {Calendar calendar = Calendar.getInstance();System.out.println(calendar);int i = calendar.get(Calendar.DAY_OF_WEEK);System.out.println("今天是这周的第" + i + "天");}
}