Calendar类
发布日期:2021-04-30 21:05:49 浏览次数:113 分类:精选文章

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Java Calendar???

Calendar??Java????????????????????????????????????????????????????????????????????

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Calendar?????????????????

  • protected Calendar()???????protected?????????????Calendar???????????????????????????????

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Calendar????????????????????????????

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Calendar calendar = Calendar.getInstance();
System.out.println(calendar.getTime().toLocaleString());

?????

// ??1970-1-1 00:00:00???????
System.out.println(calendar.getTimeInMills());

????????

int year = calendar.get(Calendar.YEAR);
int month = calendar.get(Calendar.MONTH); // 0-11????+1?
int day = calendar.get(Calendar.DAY_OF_MONTH); // ?Calendar.DATE
int hour = calendar.get(Calendar.HOUR_OF_DAY); // 24????HOUR??12???
int minute = calendar.get(Calendar.MINUTE);
int second = calendar.get(Calendar.SECOND);

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// ????????4???15?
Calendar calendar2 = Calendar.getInstance();
calendar2.set(Calendar.DAY_OF_MONTH, 4); // ?????4?
calendar2.add(Calendar.HOUR, 1); // ??1??

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int max = calendar2.getActualMaximum(Calendar.DAY_OF_MONTH); // ????????
int min = calendar2.getActualMinimum(Calendar.DAY_OF_MONTH); // ????????

?????????????????????????????????????Calendar???????????????Java??????????

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[***.90.31.176]2026年06月16日 20时41分56秒