Java Date Time - DayOfWeek.isSupported() Examples

[Last Updated: Nov 8, 2025]

Class:

java.time.DayOfWeek

Method:


public boolean isSupported(TemporalField field)

The method DayOfWeek.isSupported() checks if the specified field is supported. DayOfWeek will return false for all ChronoField values except for ChronoField.DAY_OF_WEEK.

isSupported() method is defined in the interface TemporalAccessor which is implemented by DayOfWeek.

Examples

package com.logicbig.example.dayofweek;

import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.temporal.ChronoField;

public class IsSupportedExample {
    public static void main (String[] args) {
        DayOfWeek dayOfWeek = LocalDate.now()
                                       .getDayOfWeek();

        boolean supported = dayOfWeek.isSupported(
                            ChronoField.DAY_OF_WEEK);
        System.out.println(supported);

        supported = dayOfWeek.isSupported(
                            ChronoField.DAY_OF_MONTH);
        System.out.println(supported);
    }
}

Output

true
false

Java Date Time - DayOfWeek.isSupported() Examples

Class:

Method:

Examples

Output

See Also