Java Date Time - Instant.with() Examples

package com.logicbig.example.instant;

import java.time.Instant;
import java.time.temporal.ChronoField;
import java.time.temporal.Temporal;
import java.time.temporal.TemporalAdjuster;

public class WithExample {

    public static void main(String... args) {
        Instant i = Instant.now();
        System.out.println(i);

        Instant i2 = i.with(sameInstantOfLastDay);
        System.out.println(i2);
    }

    private static final TemporalAdjuster sameInstantOfLastDay = new TemporalAdjuster() {
        @Override
        public Temporal adjustInto(Temporal temporal) {
            if (temporal.isSupported(ChronoField.INSTANT_SECONDS)) {
                long i = temporal.getLong(ChronoField.INSTANT_SECONDS);
                return Instant.ofEpochSecond(i - (60 * 60 * 24));
            }
            return null;
        }
    };
}

package com.logicbig.example.instant;

import java.time.Instant;
import java.time.temporal.ChronoField;
import java.time.temporal.UnsupportedTemporalTypeException;

public class WithExample2 {

    public static void main(String... args) {
        Instant i = Instant.now();
        System.out.println(i);

        for (ChronoField chronoField : ChronoField.values()) {
            with(i, chronoField);
        }
    }

    private static void with(Instant d, ChronoField chronoField) {
        try {
            Instant d2 = d.with(chronoField, 1);
            System.out.printf("%15s => %s%n", chronoField.name(), d2);
        } catch (UnsupportedTemporalTypeException e) {
            System.out.printf("--%s not supported.%n", chronoField);
        }
    }
}