Java Date Time - LocalDate isSupported(TemporalField field) example

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LocalDate isSupported(TemporalField field) checks if the specified field is supported.

The supported fields are:

• DAY_OF_WEEK
• ALIGNED_DAY_OF_WEEK_IN_MONTH
• ALIGNED_DAY_OF_WEEK_IN_YEAR
• DAY_OF_MONTH
• DAY_OF_YEAR
• EPOCH_DAY
• ALIGNED_WEEK_OF_MONTH
• ALIGNED_WEEK_OF_YEAR
• MONTH_OF_YEAR
• PROLEPTIC_MONTH
• YEAR_OF_ERA
• YEAR
• ERA

All other ChronoField instances will return false.

Syntax

isSupported has the following syntax.

public boolean isSupported(TemporalField field)

Example

The following example shows how to use isSupported.

import java.time.LocalDate;
import java.time.temporal.ChronoField;
/*  w  w  w.j  a v a  2 s . co m*/
public class Main {
  public static void main(String[] args) {
    LocalDate a = LocalDate.of(2014, 6, 30);

    System.out.println(a.isSupported(ChronoField.DAY_OF_YEAR));
  }
}

The code above generates the following result.

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