package java8DateTime;

import java.time.DayOfWeek;

import java.time.LocalDate;

import java.time.temporal.ChronoField;

import java.time.temporal.ChronoUnit;

import java.time.temporal.TemporalAdjuster;

import java.time.temporal.TemporalAdjusters;

import java.time.temporal.TemporalAmount;

public class ModifyingLocalDate {

public static void main(String[] args) {

LocalDate localDate = LocalDate.now();

/*********** Modifying Local Date **********/

System.out.println(localDate);

System.out.println("plusDays="+localDate.plusDays(10));

System.out.println("plusMonths="+localDate.plusMonths(2));

System.out.println("ALIGNED_WEEK_OF_MONTH="+localDate.get(ChronoField.ALIGNED_WEEK_OF_MONTH));

System.out.println("plusWeeks="+localDate.plusWeeks(1));

System.out.println("plusYears="+localDate.plusYears(3));

System.out.println("minusDays="+localDate.minusDays(1));

/**Temporal Adjusters**/

System.out.println("firstDayOfMonth="+localDate.with(TemporalAdjusters.firstDayOfMonth()));

System.out.println("firstDayOfNextMonth="+localDate.with(TemporalAdjusters.firstDayOfNextMonth()));

System.out.println("firstDayOfYear="+localDate.with(TemporalAdjusters.firstDayOfYear()));

System.out.println("lastDayOfMonth="+localDate.with(TemporalAdjusters.lastDayOfMonth()));

System.out.println("firstDayOfNextYear="+localDate.with(TemporalAdjusters.firstDayOfNextYear()));

/***Minus Date****/

System.out.println("minusDays="+localDate.minusDays(1));

System.out.println("CENTURIES behind="+localDate.minus(1, ChronoUnit.CENTURIES));

System.out.println("DAYS behind="+localDate.minus(7, ChronoUnit.DAYS));

System.out.println("MONTHS behind="+localDate.minus(1, ChronoUnit.MONTHS));

System.out.println("DECADES behind="+localDate.minus(1, ChronoUnit.DECADES));

System.out.println("withYear="+localDate.withYear(2020));

System.out.println("withMonth="+localDate.withMonth(10));

System.out.println("with YEAR="+localDate.with(ChronoField.YEAR, 2025));

System.out.println("ALIGNED_DAY_OF_WEEK_IN_MONTH="+localDate.with(ChronoField.ALIGNED_DAY_OF_WEEK_IN_MONTH, 2));

System.out.println("2nd week Monday Date will return ="+localDate.with(TemporalAdjusters.dayOfWeekInMonth(2, DayOfWeek.MONDAY)));

System.out.println("Next Date of Week="+localDate.with(TemporalAdjusters.next(DayOfWeek.MONDAY)));

/*is Lead Year*/

System.out.println("is Leap Year :"+localDate.isLeapYear());

System.out.println("is Leap Year :"+LocalDate.ofYearDay(2020, 01).isLeapYear());

/**Unsupported **/

if(localDate.isSupported(ChronoUnit.SECONDS)) {

System.out.println("Unsupproted Exception="+localDate.minus(7, ChronoUnit.SECONDS));

}

System.out.println("isSupproted :"+localDate.isSupported(ChronoUnit.SECONDS));

if(localDate.isSupported(ChronoUnit.DAYS)) {

System.out.println("Supproted DAYS="+localDate.minus(7, ChronoUnit.DAYS));

}

System.out.println("isSupproted :"+localDate.isSupported(ChronoUnit.DAYS));

/*isEqual, isBefore, isAfter, */

LocalDate date1 = LocalDate.of(2019, 07, 1);

LocalDate date2 = LocalDate.of(2019, 07, 25);

LocalDate date3 = LocalDate.of(2019, 07, 25);

System.out.println("isBefore="+date1.isBefore(date2));

System.out.println("isAfter="+date2.isAfter(date1));

System.out.println("isAfter="+date1.isAfter(date2));

System.out.println("isEqual="+date2.isEqual(date3));

System.out.println("isEqual="+date1.isEqual(date3));

}

}