The isSupported(TemporalField) method of ZoneOffset Class in java.time package is used to check if the temporalField, passed as the parameter, is supported by the ZoneOffset or not. This method returns a boolean value stating the same.
Syntax:
public boolean isSupported(TemporalField temporalField)
Parameters: This method accepts a parameter temporalField which is required to be checked if it is supported by this ZoneOffset instance.
Return Value: This method returns a boolean value stating whether this temporalField is supported by this ZoneOffset instance.
Below examples illustrate the ZoneOffset.isSupported() method:
Example 1:
// Java code to illustrate isSupported() method  import java.time.*;import java.time.temporal.*;  public class GFG {    public static void main(String[] args)    {          // Get the ZoneOffset instance        ZoneOffset zoneOffset            = ZoneOffset.of("+05:30");        System.out.println("ZoneOffset: "                           + zoneOffset);          // Using isSupported() method        System.out.println("Is Second supported: "                           + zoneOffset.isSupported(ChronoField.OFFSET_SECONDS));    }} |
Output:
ZoneOffset: +05:30 Is Second supported: true
Example 2:
// Java code to illustrate isSupported() method  import java.time.*;import java.time.temporal.*;  public class GFG {    public static void main(String[] args)    {          // Get the ZoneOffset instance        ZoneOffset zoneOffset            = ZoneOffset.ofHours(5);        System.out.println("ZoneOffset: "                           + zoneOffset);          // Using isSupported() method        System.out.println("Is Nano-Of-The-Day supported: "                           + zoneOffset.isSupported(ChronoField.NANO_OF_DAY));    }} |
Output:
ZoneOffset: +05:00 Is Nano-Of-The-Day supported: false
Reference: Oracle Doc
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