Java输出一个时间段内时间和星期对应关系

import java.text.ParseException;   import java.text.SimpleDateFormat;   import java.util.Calendar;   import java.util.Date;     public class Test {    public static void main(String[] args) {     final String dayNames[] = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五",       "星期六" };     String begin = "2013-11-01";     String end = "2013-11-10";          SimpleDateFormat sdfInput = new SimpleDateFormat("yyyy-MM-dd");          Date date = new Date();     Date dateb = new Date();     Date datee = new Date();     try {      dateb = sdfInput.parse(begin);      datee = sdfInput.parse(end);     } catch (ParseException e) {      e.printStackTrace();     }     long nowTime = dateb.getTime();          Date datenow = new Date();     datenow.setTime(nowTime);     Calendar calendar = Calendar.getInstance();     while(nowTime>=dateb.getTime()&&nowTime<=datee.getTime())     {         calendar.setTime(datenow);      int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK) - 1;      if (dayOfWeek < 0)       dayOfWeek = 0;            System.out.println(sdfInput.format(datenow));      System.out.println(dayNames[dayOfWeek]);         calendar.add(calendar.DATE,1);      datenow = calendar.getTime();       nowTime = datenow.getTime();     }    }   }