Java日期时间(Date/Time)：DateFormat格式代码

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简单的DateFormat格式代码：

import java.util.*;import java.text.*;public class DateDemo {   public static void main(String args[]) {      Date dNow = new Date( );      SimpleDateFormat ft =       new SimpleDateFormat ("E yyyy.MM.dd 'at' hh:mm:ss a zzz");      System.out.println("Current Date: " + ft.format(dNow));   }}

输出结果：

Current Date: Sun 2004.07.18 at 04:14:09 PM PDT

格式定义如下：

Character描述ExampleGEra designatorADyYear in four digits2001MMonth in yearJuly or 07dDay in month10hHour in A.M./P.M. (1~12)12HHour in day (0~23)22mMinute in hour30sSecond in minute55SMillisecond234EDay in weekTuesdayDDay in year360FDay of week in month2 (second Wed. in July)wWeek in year40WWeek in month1aA.M./P.M. markerPMkHour in day (1~24)24KHour in A.M./P.M. (0~11)10zTime zoneEastern Standard Time'Escape for textDelimiter"Single quote`

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