The atZone(ZoneId zone) method of ChronoLocalDateTime interface is used to combine this ChronoLocalDateTime with a time-zone whose ZoneId is given as parameter to create an ZonedDateTime object. This method takes ZoneId as a parameter and combines the time-zone with this ChronoLocalDateTime after operation returns a ChronoZonedDateTime object.
Syntax:
ChronoZonedDateTime<D> atZone(ZoneId zone)
Parameters: This method accepts one parameter zone which is the zone to combine to this ChronoLocalDateTime object. It should not be null.
Return Value: This method returns a ChronoZonedDateTime which is the combination of current zone of ChronoLocalDateTime and the zone passed as the parameter.
Below programs illustrate the ChronoLocalDateTime.atZone() method:
Program 1:
// Java program to demonstrate // ChronoLocalDateTime.atZone() method import java.time.*;
import java.time.chrono.*;
public class GFG {
public static void main(String[] args)
{
// create an ChronoLocalDateTime object
ChronoLocalDateTime date
= LocalDateTime.parse( "2018-12-06T19:21:12" );
// print ChronoLocalDateTime Value
System.out.println( "ChronoLocalDateTime: "
+ date);
// create ZoneId object
ZoneId zone = ZoneId.of( "Europe/Paris" );
// apply atZone method of ChronoLocalDateTime class
ChronoZonedDateTime result = date.atZone(zone);
// print results
System.out.println( "ChronoZonedDateTime: "
+ result);
}
} |
ChronoLocalDateTime: 2018-12-06T19:21:12 ChronoZonedDateTime: 2018-12-06T19:21:12+01:00[Europe/Paris]
Program 2:
// Java program to demonstrate // ChronoLocalDateTime.atZone() method import java.time.*;
import java.time.chrono.*;
public class GFG {
public static void main(String[] args)
{
// create an ChronoLocalDateTime object
ChronoLocalDateTime date
= LocalDateTime.parse( "2018-12-06T19:21:12" );
// print ChronoLocalDateTime Value
System.out.println( "ChronoLocalDateTime: "
+ date);
// create ZoneId object
ZoneId zone = ZoneId.of( "Asia/Aden" );
// apply atZone method
ChronoZonedDateTime result
= date.atZone(zone);
// print results
System.out.println( "ChronoZonedDateTime: "
+ result);
}
} |
ChronoLocalDateTime: 2018-12-06T19:21:12 ChronoZonedDateTime: 2018-12-06T19:21:12+03:00[Asia/Aden]