ZoneOffsetTransition getOffsetBefore() method in Java with Example

The getOffsetBefore() method of java.time.zone.ZoneOffsetTransition class is used to get the offset value of first zone offset object passed as parameter.

Syntax:

public ZoneOffset getOffsetBefore()

Parameter: This method does not accept any parameter.

Return Value: This method returns the offset value of first zone offset object passed as parameter.

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

Example 1:

// Java program to demonstrate
// getOffsetBefore() 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(8);

        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off2
            = ZoneOffset.ofTotalSeconds(12);

        // creating and initializing
        // ZoneOffsetTransition Object
        ZoneOffsetTransition zonetrans1
            = ZoneOffsetTransition.of(
                loc, off1, off2);

        // getting the offset before value
        // by using getOffsetBefore() method
        ZoneOffset off
            = zonetrans1.getOffsetBefore();

        // display the result
        System.out.println(
            "Zoneoffset before transition : "
            + off);
    }
}

Output:

Zoneoffset before transition : +00:00:08

Example 2:

// Java program to demonstrate
// getOffsetBefore() 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
        ZoneOffsetTransition zonetrans1
            = ZoneOffsetTransition.of(
                loc, off1, off2);

        // getting the offset before value
        // by using getOffsetBefore() method
        ZoneOffset off
            = zonetrans1.getOffsetBefore();

        // display the result
        System.out.println(
            "Zoneoffset before transition : "
            + off);
    }
}

Output:

Zoneoffset before transition : +00:00:12

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/zone/ZoneOffsetTransition.html#getOffsetBefore–