步骤1:创建一个时间区域列表 // 创建一个空的时间区域列表List<String>timeZones=newArrayList<>(); 1. 2. 步骤2:获取所有可用的时区 // 获取所有可用的时区String[]ids=TimeZone.getAvailableIDs(); 1. 2. 步骤3:将时区信息放入列表中 // 将时区信息放入列表中for(Stringid:ids){timeZones.add(id);} ...
importjava.time.ZoneId;importjava.time.ZoneOffset;importjava.util.ArrayList;importjava.util.List;publicclassTimeZoneList{publicstaticvoidmain(String[]args){List<String>timeZones=newArrayList<>();ZoneIdzoneId=ZoneId.of("Asia/Shanghai");StringdisplayName=zoneId.getDisplayName(ZoneId.SHORT);ZoneOffseto...
Provides a list of Windows time zones (the zones in the time zone selection dialog in Windows), and their associated Java TimeZone objects. Data was obtained from the CLDR (http://unicode.org/repos/cldr/trunk/common/supplemental/windowsZones.xml). Contains a list of mappings in the following...
then you are going to need a list of time zones. You need this if you want to edit or display times in 'local time' and store them as UTC (universal time). This article shows the Java code and a handy Seam component that provides the list. ...
、break、continue关键字的问题;加上最近一直关注的“码农每一题”于是自己回顾一下List的基础温故而知新了; 一、List几种遍历方式的问题 Java 中常见的几种遍历方式方式:1...$Itr.next(ArrayList.java:851) at Main.main(Main.java:31) 问题缘由: 这个问题是和Iterator的实现方式有关系的,以ArrayList...: ...
List<String> values = new ArrayList<>(max); for (int i = 0; i < max; i++) { UUID uuid = UUID.randomUUID(); values.add(uuid.toString()); } 然后我们计算一下排序这个Stream要耗时多久, 串行排序: 代码如下: long t0 = System.nanoTime(); ...
11.2 Timezones 时区 11.3 LocalTime 11.4 LocalDate 11.4 LocalDateTime 十二、Annotations 注解 小伙伴们,Java版本都到 12 啦,我发现还有很多小伙伴对 8 的新特性不是很了解。 所以我翻译这个 Java 8 指导手册,该手册在 GitHub 上有 1W+ 的 Star, 错不了。
ZoneOffsetspecifies a time zone offset from Greenwich/UTC time. Offsets from Greenwich/UTC time are usually defined in whole hours, but there are exceptions. The following code, from theTimeZoneIdexample, prints a list of all time zones that use offsets from Greenwich/UTC that are not defined...
The value of the timezone can be altered with the below JVM argument. The below example would be used to set it for America/Chicago: -Duser.timezone=America/Chicago The List of TZ Database Time Zones documentation on Wikipedia contains further information on the different Timezones that can ...
List<ZoneOffset> ZoneRules.getValidOffsets(LocalDateTime localDateTime) Gets the offset applicable at the specified local date-time in these rules. Methods in java.time.zone with parameters of type ZoneOffset Modifier and TypeMethodDescription LocalDateTime ZoneOffsetTransitionRule.TimeDefinition.createDateTi...