java打印一年中所有日期

public class Main {

    public static void main(String args[]) {
      //请注意月份是从0-11,天数是1， 2013-1-1 至 2013-12-31Calendar start = Calendar.getInstance();start.set(2013, 0, 1); //2013-1-1 开始Calendar end = Calendar.getInstance();end.set(2014, 0, 0); // 2014--0-0结束，2014-1-1不算int sumSunday = 0;int sumSat = 0;SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");while(start.compareTo(end) <= 0) {int w = start.get(Calendar.DAY_OF_WEEK);if(w == Calendar.SUNDAY)sumSunday ++;if(w == Calendar.SATURDAY)sumSunday ++;//打印每天System.out.println(format.format(start.getTime()));//循环，每次天数加1start.set(Calendar.DATE, start.get(Calendar.DATE) + 1);}System.out.println("星期天总数为:" + sumSunday);System.out.println("星期六总数为:" + sumSunday);
    }
}