Java--今天星期几？

import java.util.Calendar; import java.util.Date; public class WeekDay {     public WeekDay() {         super();         // TODO Auto-generated constructor stub     }     public String getWeekDayString()     {         String weekString = "";         final String dayNames[] = {"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};         Calendar calendar = Calendar.getInstance();         Date date = new Date();         calendar.setTime(date);         int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);         weekString = dayNames[dayOfWeek - 1];         return weekString;     }     /**      * @param args      */     public static void main(String[] args) {         // TODO Auto-generated method stub         WeekDay weekDay = new WeekDay();         System.out.println(weekDay.getWeekDayString());     } }