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ZoneOffsetTransition of() method in Java with Example
  • Last Updated : 29 May, 2020

The of() method of java.time.zone.ZoneOffsetTransition class is used to create the object of zone offset transition with the help of local date time, offset before and offset after.

Syntax:

public static ZoneOffsetTransition of(LocalDateTime transition,
                                      ZoneOffset offsetBefore,
                                      ZoneOffset offsetAfter)

Parameter: This method takes the following argument as a parameter.

  • transition: object of local date time for which transition have to be created.
  • offsetBefore: object of zone offset for intial transition.
  • offsetAfter: object of zone offset for final transition.

Return Value: This method returns the object of zone offset transition with the help of local date time, offset before and offset after.

Below are the examples to illustrate the of() method:



Example 1:

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// Java program to demonstrate
// of() 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
        // the object of LocalDateTime
        LocalDateTime loc
            = LocalDateTime.of(
                1999, 04, 25,
                03, 24, 45, 0);
  
        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off1
            = ZoneOffset.ofTotalSeconds(12);
  
        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off2
            = ZoneOffset.ofTotalSeconds(8);
  
        // creating and initializing
        // ZoneOffsetTransition Object
        // by using of() method
        ZoneOffsetTransition zonetrans1
            = ZoneOffsetTransition.of(
                loc, off1, off2);
  
        // getting the string representation
        // of this object
        String str
            = zonetrans1.toString();
  
        // display the result
        System.out.println(
            "zone offset transition : "
            + str);
    }
}

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Output:

zone offset transition : Transition[Overlap at 1999-04-25T03:24:45+00:00:12 to +00:00:08]

Example 2:

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// Java program to demonstrate
// of() 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
        // the object of LocalDateTime
        LocalDateTime loc
            = LocalDateTime.of(
                2018, 04, 25,
                03, 24, 45, 0);
  
        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off1
            = ZoneOffset.ofTotalSeconds(12);
  
        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off2
            = ZoneOffset.ofTotalSeconds(8);
  
        // creating and initializing
        // ZoneOffsetTransition Object
        // by using of() method
        ZoneOffsetTransition zonetrans1
            = ZoneOffsetTransition.of(
                loc, off1, off2);
  
        // getting the string representation
        // of this object
        String str = zonetrans1.toString();
  
        // display the result
        System.out.println(
            "zone offset transition : "
            + str);
    }
}

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Output:

zone offset transition : Transition[Overlap at 2018-04-25T03:24:45+00:00:12 to +00:00:08]

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/zone/ZoneOffsetTransition.html#of-java.time.LocalDateTime-java.time.ZoneOffset-java.time.ZoneOffset-

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