LocalDateTime isSupported(TemporalField field) example

Description

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

This checks if this date-time can be queried for the specified field.

The supported fields are:

• NANO_OF_SECOND
• NANO_OF_DAY
• MICRO_OF_SECOND
• MICRO_OF_DAY
• MILLI_OF_SECOND
• MILLI_OF_DAY
• SECOND_OF_MINUTE
• SECOND_OF_DAY
• MINUTE_OF_HOUR
• MINUTE_OF_DAY
• HOUR_OF_AMPM
• CLOCK_HOUR_OF_AMPM
• HOUR_OF_DAY
• CLOCK_HOUR_OF_DAY
• AMPM_OF_DAY
• 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.LocalDateTime;
import java.time.temporal.ChronoField;
/* w w  w  . java 2  s.  c o  m*/
public class Main {
  public static void main(String[] args) {
    LocalDateTime a = LocalDateTime.of(2014, 6, 30, 12, 01);
    
    System.out.println(a.isSupported(ChronoField.DAY_OF_WEEK));
  }
}

The code above generates the following result.