Java 中的 zoneoffset transitionrule getstandardoft()方法，示例

原文:https://www . geeksforgeeks . org/zoneoffsettransitionrule-getstandard offset-method-in-Java-with-example/

Java . time . zoneoffset transitionrule类的 getStandardOffset() 方法用于获取发生转换的标准区域偏移的对象。

语法:

public ZoneOffset getStandardOffset()

参数:该方法不接受任何参数。

返回值:该方法返回发生转换的标准区域偏移的对象。

下面是举例说明getstandardpoffset()方法的例子:

例 1:

// Java program to demonstrate
// getStandardOffset() method

import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.zone.*;

public class GFG {
    public static void main(String[] argv)
    {

        // creating and initializing
        // ZoneOffsetTransitionRule Object
        ZoneOffsetTransitionRule zonetrans1
            = ZoneOffsetTransitionRule
                  .of(
                      Month.JANUARY, 12,
                      DayOfWeek.SUNDAY,
                      LocalTime.of(03, 24, 45),
                      false,
                      ZoneOffsetTransitionRule
                          .TimeDefinition
                          .STANDARD,
                      ZoneOffset.ofTotalSeconds(8),
                      ZoneOffset.ofTotalSeconds(17),
                      ZoneOffset.ofTotalSeconds(12));

        // getting object of Zone offset
        // by using getStandardOffset() method
        ZoneOffset off
            = zonetrans1.getStandardOffset();

        // display the result
        System.out.println(
            "standard Zone Offset : " + off);
    }
}

输出:

standard Zone Offset : +00:00:08

例 2:

// Java program to demonstrate
// getStandardOffset() method

import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.zone.*;

public class GFG {
    public static void main(String[] argv)
    {

        // creating and initializing
        // ZoneOffsetTransitionRule Object
        ZoneOffsetTransitionRule zonetrans1
            = ZoneOffsetTransitionRule
                  .of(
                      Month.JANUARY, 12,
                      DayOfWeek.SUNDAY,
                      LocalTime.of(03, 24, 45),
                      false,
                      ZoneOffsetTransitionRule
                          .TimeDefinition
                          .STANDARD,
                      ZoneOffset.ofTotalSeconds(21),
                      ZoneOffset.ofTotalSeconds(17),
                      ZoneOffset.ofTotalSeconds(12));

        // getting object of Zone offset
        // by using getStandardOffset() method
        ZoneOffset off
            = zonetrans1.getStandardOffset();

        // display the result
        System.out.println(
            "standard Zone Offset : " + off);
    }
}

输出:

standard Zone Offset : +00:00:21

参考:https://docs . Oracle . com/javae/9/docs/API/Java/time/zone/zoneoffsettransition rule . html # getsstandardoffset】

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