JAVA EE: How to use query method of DayOfWeek Enum

Monday 2 July 2018

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DayOfWeekDemo.java

import java.time.DayOfWeek;

import java.time.temporal.TemporalQueries;

import java.time.temporal.TemporalQuery;

import java.time.temporal.TemporalUnit;

public class DayOfWeekDemo

{

    public static void main(String[] args)

    {

        DayOfWeek dayOfWeek = DayOfWeek.MONDAY;

        TemporalQuery<TemporalUnit> temporalQuery = TemporalQueries.precision();

        /*

         * Parameters:

         * 

         * query - the query to invoke, not null

         * 

         * Returns:

         * 

         * the query result, null may be returned (defined by the

         * query)

         */

        System.out.println(dayOfWeek.query(temporalQuery));

    }

}