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IsoChronology zonedDateTime(TemporalAccessor) method in Java with Example

 2 years ago
source link: https://www.geeksforgeeks.org/isochronology-zoneddatetimetemporalaccessor-method-in-java-with-example/
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IsoChronology zonedDateTime(TemporalAccessor) method in Java with Example
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IsoChronology zonedDateTime(TemporalAccessor) method in Java with Example
  • Last Updated : 27 Mar, 2020

The zonedDateTime() method of java.time.chrono.IsoChronology class is used to get the zonal date and time according to Iso calendar system from another TemporalAccessor object.

Syntax:

public ZonedDateTime zonedDateTime(
          TemporalAccessor temporal)

Parameter: This method takes the object of any temporal accessor as a parameter.

Return Value: This method returns the zonal date and time according to Iso calendar system from another TemporalAccessor object.

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

Example 1:

// Java program to demonstrate
// zonedDateTime() method
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
public class GFG {
public static void main(String[] argv)
{
try {
// creating and initializing
// LocalDate Object
LocalDate hidate
= LocalDate.now();
// getting IsoChronology
// used in LocalDate
IsoChronology crono
= hidate.getChronology();
// creating and initializing
// TemporalAccessor object
ZonedDateTime zonedate
= ZonedDateTime
.parse(
"2018-10-25T23:12:31."
+ "123+02:00[Europe/Paris]");
// getting LocalDate and time for the
// given TemporalAccessor object
// by using zonedDateTime() method
ChronoZonedDateTime<LocalDate> date
= crono.zonedDateTime(zonedate);
// display the result
System.out.println(
"LocalDate and time is: "
+ date);
}
catch (DateTimeException e) {
System.out.println(
"passed parameter can"
+ " not form a date");
System.out.println(
"Exception thrown: " + e);
}
}
}
Output:
LocalDate and time is: 2018-10-25T23:12:31.123+02:00[Europe/Paris]

Example 2:

// Java program to demonstrate
// zonedDateTime() method
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
public class GFG {
public static void main(String[] argv)
{
try {
// creating and initializing
// LocalDate Object
LocalDate hidate
= LocalDate.now();
// getting IsoChronology
// used in LocalDate
IsoChronology crono
= hidate.getChronology();
// creating and initializing
// TemporalAccessor object
LocalDateTime localdate
= LocalDateTime.parse(
"2018-12-30T19:34:50.63");
// getting LocalDate and time for the
// given TemporalAccessor object
// by using zonedDateTime() method
ChronoZonedDateTime<LocalDate> date
= crono.zonedDateTime(localdate);
// display the result
System.out.println(
"LocalDate and time is: "
+ date);
}
catch (DateTimeException e) {
System.out.println(
"passed parameter can"
+ " not form a date");
System.out.println(
"Exception thrown: " + e);
}
}
}
Output:
passed parameter can not form a date
Exception thrown: java.time.DateTimeException: Unable to obtain ZonedDateTime from TemporalAccessor: 2018-12-30T19:34:50.630 of type java.time.LocalDateTime

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/IsoChronology.html#zonedDateTime-java.time.temporal.TemporalAccessor-

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