Java-Advanced/datetime/JavaTemporalAdjustersEx.java at master · tooltail/Java-Advanced

38 lines (26 loc) · 1.44 KB

package com.zetcode;

import java.time.DayOfWeek;

import java.time.LocalDate;

import java.time.temporal.TemporalAdjusters;

// Temporal adjusters are used for modifying temporal objects (LodalDate, LodalDateTime, HijrahDate )

// They allow to easily calculate calculations such as finding first day of week, moth, year etc.

public class JavaTemporalAdjustersEx {

public static void main(String[] args) {

var localDate = LocalDate.now();

System.out.printf("today: %s%n", localDate);

var date1 = localDate.with(TemporalAdjusters.firstDayOfMonth());

System.out.printf("first day of month: %s%n", date1);

var date2 = localDate.with(TemporalAdjusters.lastDayOfMonth());

System.out.printf("last day of month: %s%n", date2);

var date3 = localDate.with(TemporalAdjusters.next(DayOfWeek.MONDAY));

System.out.printf("next Monday: %s%n", date3);

var date4 = localDate.with(TemporalAdjusters.firstDayOfNextMonth());

System.out.printf("first day of next month: %s%n", date4);

var date5 = localDate.with(TemporalAdjusters.lastDayOfYear());

System.out.printf("last day of year: %s%n", date5);

var date6 = localDate.with(TemporalAdjusters.firstDayOfYear());

System.out.printf("first day of year: %s%n", date6);

var date7 = localDate.with(TemporalAdjusters.lastInMonth(DayOfWeek.SUNDAY));

System.out.printf("last Sunday of month: %s%n", date7);

}

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