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ZoneOffset isSupported(TemporalField) method in Java with Examples

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  • Last Updated : 13 Dec, 2018
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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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