Java中SimpleTimeZone类的setStartRule(int startofMonth,int startofDay,int startofTime)方法用于将夏时制的特定开始规则设置为给定月份内的固定日期。
用法:
public void setStartRule(int startofMonth, int startofDay, int startofTime)
参数:该方法具有三个参数:
- startofMonth:这是整数类型,是指夏令时的开始月份。
- startofDay:这是整数类型,是指夏令时的开始日期。
- startofTime:这是整数类型,是指夏令时的开始时间。
返回值:该方法不返回任何值。
以下程序说明了Java中setStartRule()方法的用法:
范例1:
// Java code to demonstrate
// setStartRule() method
import java.util.*;
public class SimpleTimeZone_Demo {
public static void main(String[] args)
{
// Creating SimpleTimeZone object
SimpleTimeZone simtimeobj
= new SimpleTimeZone(100, "GMT");
// Displaying the Initial value
System.out.println(
"Initial value:" + simtimeobj);
// Setting an StartRule
simtimeobj.setStartRule(Calendar.APRIL,
28, 3600000);
// Displaying the New value
System.out.println(
"New value:" + simtimeobj);
}
}
输出:
Initial value:java.util.SimpleTimeZone[id=GMT, offset=100, dstSavings=3600000, useDaylight=false, startYear=0, startMode=0, startMonth=0, startDay=0, startDayOfWeek=0, startTime=0, startTimeMode=0, endMode=0, endMonth=0, endDay=0, endDayOfWeek=0, endTime=0, endTimeMode=0] New value:java.util.SimpleTimeZone[id=GMT, offset=100, dstSavings=3600000, useDaylight=false, startYear=0, startMode=1, startMonth=3, startDay=28, startDayOfWeek=0, startTime=3600000, startTimeMode=0, endMode=0, endMonth=0, endDay=0, endDayOfWeek=0, endTime=0, endTimeMode=0]
范例2:
// Java code to demonstrate
// setStartRule() method
import java.util.*;
public class SimpleTimeZone_Demo {
public static void main(String[] args)
{
// Creating SimpleTimeZone object
SimpleTimeZone simtimeobj
= new SimpleTimeZone(120, "GMT");
// Displaying the Initial value
System.out.println(
"Initial value:" + simtimeobj);
// Setting an StartRule
simtimeobj.setStartRule(Calendar.JANUARY,
15, 3600000);
// Displaying the New value
System.out.println(
"New value:" + simtimeobj);
}
}
输出:
Initial value:java.util.SimpleTimeZone[id=GMT, offset=120, dstSavings=3600000, useDaylight=false, startYear=0, startMode=0, startMonth=0, startDay=0, startDayOfWeek=0, startTime=0, startTimeMode=0, endMode=0, endMonth=0, endDay=0, endDayOfWeek=0, endTime=0, endTimeMode=0] New value:java.util.SimpleTimeZone[id=GMT, offset=120, dstSavings=3600000, useDaylight=false, startYear=0, startMode=1, startMonth=0, startDay=15, startDayOfWeek=0, startTime=3600000, startTimeMode=0, endMode=0, endMonth=0, endDay=0, endDayOfWeek=0, endTime=0, endTimeMode=0]
参考: https://docs.oracle.com/javase/10/docs/api/java/util/SimpleTimeZone.html#setStartRule(int,int,int)
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注:本文由纯净天空筛选整理自Chinmoy Lenka大神的英文原创作品 SimpleTimeZone setStartRule(int, int, int) method in Java with Examples。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。