Java SimpleTimeZone inDaylightTime（）方法及示例

SimpleTimeZone类inDaylightTime()方法 (SimpleTimeZone Class inDaylightTime() method)

inDaylightTime() method is available in java.util package.
inDaylightTime()方法在java.util包中可用。
inDaylightTime() method is used to check whether the given date (d) is in daylight saving time or not.
inDaylightTime()方法用于检查给定日期(d)是否在夏令时。
inDaylightTime() method is a non-static method, it is accessible with the class object and if we try to access the method with the class name then we will get an error.
inDaylightTime()方法是一种非静态方法，可通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。
inDaylightTime() method does not throw an exception at the time of checking the given date is in daylight.
inDaylightTime()方法在检查给定日期在白天时不会引发异常。

Syntax:

句法：

    public boolean inDaylightTime(Date d);

Parameter(s):

参数：

Date d – represents the date.
日期d –表示日期。

Return value:

返回值：

The return type of the method is boolean, it returns true when the given date is in daylight savings time (DST) otherwise it returns false.

该方法的返回类型为boolean ，当给定日期为夏令时(DST)时返回true，否则返回false。

Example:

例：

// Java program to demonstrate the example 
// of boolean inDaylightTime(Date d) method
// of SimpleTimeZone
import java.util.*;
public class InDaylightTimeOfSimpleTimeZone {
public static void main(String args[]) {
// Instantiates SimpleTimeZone object
SimpleTimeZone s_tz = new SimpleTimeZone(360, "FRANCE");
Date d = new Date(2008, 05, 30);
// By using inDaylightTime() method is
// to check whether this SimpleTimeZone
// is in daylight time or not
boolean status = s_tz.inDaylightTime(d);
// Display status
System.out.print("s_tz.inDaylightTime(d): ");
System.out.println(status);
}
}

Output

输出量