最新Java——data类

• String ss = df.format(startDate);
• String ss1 = df.format(date1); • String ss2 = df.format(date2); • String ss3 = df.format(date3); • String ss4 = df.format(date4); • String ss5 = df.format(date5);
结束语
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• System.out.println(ss3); • System.out.println(ss4); • System.out.println(ss5); • System.out.println(); •}
• public GregorianCalendar[] getDates() { • GregorianCalendar[] memoryDates = new
• this(new GregorianCalendar()); •}
• public void listDates() { • DateFormat df =
DateFormat.getDateInstance(DateFormat.LONG ); • Date startDate = firstDay.getTime(); • Date date1 = oneDay.getTime(); • Date date2 = oneWeek.getTime(); • Date date3 = oneMonth.getTime(); • Date date4 = oneQuarter.getTime(); • Date date5 = oneYear.getTime();
• System.out.println("Start date is " + ss); • System.out.println("Following review dates
are:"); • System.out.println(ss1); • System.out.println(ss2);
• public GregorianCalendar getOneMonth() { • return this.oneMonth; •}
• public GregorianCalendar getOneQuarter() { • return this.oneQuarter; •}
• public GregorianCalendar getOneYear() { • return this.oneYear; •} •}
Java——data类
• Java语言规定的基准日期为格林威治（ GMT）标准时，即1970.1.1 00:00:00。当 前日期是由基准日期开始所经历的毫秒数 转换出来的。
另外，在Java中，为了与数据库SQL操作 的日期类型相一致，提供了Date的子类 Date，区别是标准日期类在java.util包中 ，子类在java.sql包中，请注意区分。
• public GregorianCalendar getFirstDay() { • return this.firstDay; •}
• public GregorianCalendar getOneDay() { • return this.oneDay; •}
• public GregorianCalendar getOneWeek() { • return this.oneWeek; •}
• oneYear = new GregorianCalendar(year, month, date);
• oneDay.add(GregorianCalendar.DATE, 1); • oneWeek.add(GregorianCalendar.DATE, 7); • oneMonth.add(GregorianCalendar.MONTH, 1); • oneQuarter.add(GregorianCalendar.MONTH, 3); • oneYear.add(GregorianCalendar.YEAR, 1); •} • ReviewDates() {
• oneWeek = new GregorianCalendar(year, month, date);
• oneMonth = new GregorianCalendar(year, month, date);
• oneQuarter = new GregorianCalendar(year, month, date);
GregorianCalendar[dateArraySize]; • memoryDates[0] = firstDay; • memoryDates[1] = oneDay; • memoryDates[2] = oneWeek; • memoryDates[3] = oneMonth;
• memoryDates[4] = oneQuarte来自百度文库; • memoryDates[5] = oneYear; • return memoryDates; •}