ZoneId from() method in Java with Examples
The from() method of the ZoneId class used to get instance of ZoneId from TemporalAccessor object passed as parameter.This method obtains a zone based on the TemporalAccessor which represents an arbitrary set of date and time information, which this method converts to an instance of ZoneId.
Syntax:
public static ZoneId from(TemporalAccessor temporal)
Parameters: This method accepts a single parameter temporal which represents the temporal object to convert, It can’t be null.
Return value: This method returns the zone ID, which can not be null.
Exception: This method throws the DateTimeException if this method is unable to convert temporal to a ZoneId.
Below programs illustrate the from() method:
Program 1:
import java.time.*;
public class GFG {
public static void main(String[] args)
{
ZonedDateTime zoneddatetime
= ZonedDateTime.parse( "2018-10-25T23:12:31.123+02:00[Europe/Paris]" );
ZoneId response = ZoneId.from(zoneddatetime);
System.out.println( "Zone Id got from "
+ "TemporalAccessor object \n"
+ zoneddatetime + "\nis " + response);
}
}
|
Output:
Zone Id got from TemporalAccessor object
2018-10-25T23:12:31.123+02:00[Europe/Paris]
is Europe/Paris
Program 2:
import java.time.*;
public class GFG {
public static void main(String[] args)
{
ZonedDateTime zoneddatetime
= ZonedDateTime.now();
ZoneId response = ZoneId.from(zoneddatetime);
System.out.println( "Zone Id got from "
+ "TemporalAccessor object \n"
+ zoneddatetime + "\nis " + response);
}
}
|
Output:
Zone Id got from TemporalAccessor object
2018-12-10T18:20:03.637Z[Etc/UTC]
is Etc/UTC
References:
https://docs.oracle.com/javase/10/docs/api/java/time/ZoneId.html#from(java.lang.Object)
Last Updated :
30 Jul, 2019
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