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ChronoLocalDateTime isSupported(TemporalField ) method in Java with Examples

  • Last Updated : 28 May, 2019

The isSupported() method of ChronoLocalDateTime interface in Java checks if the specified TemporalField is supported or not.

Syntax:

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default boolean isSupported(TemporalField field)

Parameter: This method accepts a parameter field which specifies the TemporalField to check, null returns false.

Returns: The function returns true if the field is supported on this date, false if not.



Below programs illustrate the ChronoLocalDateTime.isSupported() method:

Program 1:




// Program to illustrate
// the isSupported(TemporalField) method
  
import java.util.*;
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.ChronoField;
  
public class GfG {
    public static void main(String[] args)
    {
        // Parses the date
        ChronoLocalDateTime dt1
            = LocalDateTime
                  .parse("2018-11-03T12:45:30");
  
        // Prints the date
        System.out.println(dt1);
  
        System.out.println(
            dt1
                .isSupported(
                    ChronoField.DAY_OF_WEEK));
    }
}
Output:
2018-11-03T12:45:30
true

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/ChronoLocalDateTime.html#isSupported-java.time.temporal.TemporalField-

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