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July 4, 2019 10:54
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RinaldoDev - JAVA 8 DATA/HORA: Pare de usar DATE e CALENDAR no seu projeto! | https://www.youtube.com/watch?v=vZZJqYNxiLg
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package dev.rinaldo.datahora; | |
import java.time.Instant; | |
import java.time.LocalDate; | |
import java.time.LocalDateTime; | |
import java.time.LocalTime; | |
import java.time.Month; | |
import java.time.ZoneId; | |
import java.time.ZonedDateTime; | |
import java.time.temporal.ChronoUnit; | |
/** | |
* @author RinaldoDev | |
*/ | |
// JAVA 8 - API de Data e Hora | |
public class DataHoraJava8 { | |
public static void main(String[] args) { | |
// LocalDate - representa uma data: 06/08/1990 | |
LocalDate ldNow = LocalDate.now(); | |
System.out.println(ldNow); | |
LocalDate ld = LocalDate.of(1990, Month.AUGUST, 6); | |
System.out.println(ld); | |
LocalDate ld2 = ld.plusWeeks(2).plusDays(1).minusMonths(1); | |
System.out.println(ld2); | |
// LocalTime - representa uma hora: 11:40:00 | |
LocalTime ltNow = LocalTime.now(); | |
System.out.println(ltNow); | |
LocalTime lt = LocalTime.of(11, 10, 01, 100000); | |
System.out.println(lt); | |
// LocalDateTime - representa data+hora: | |
// 06/08/1990 11:40:00 | |
LocalDateTime ldtNow = LocalDateTime.now(); | |
System.out.println(ldtNow); | |
LocalDateTime ldt = LocalDateTime.of(ld, lt); | |
System.out.println(ldt); | |
// Instant - representa um instante/momento na | |
// linha do tempo (milissegundos a partir de | |
// 01/01/1970 00:00:00 | |
// 06/08/1990 11:40:00 GMT/UTC | |
Instant iNow = Instant.now(); | |
System.out.println(iNow); | |
Instant i = Instant.ofEpochMilli(500000000000L); | |
System.out.println(i); | |
Instant plus = i.plus(1, ChronoUnit.MONTHS); | |
System.out.println(plus); | |
// ZonedDateTime - LocalDateTime com | |
// TimeZone (fuso horário) | |
// 06/08/1990 11:40:00 GMT-3 (America/Sao_Paulo) | |
ZonedDateTime zdtNow = ZonedDateTime.now(); | |
System.out.println(zdtNow); | |
ZoneId zoneId = ZoneId.of("America/Montevideo"); | |
ZonedDateTime zdt = ZonedDateTime.of(ld, lt, zoneId); | |
System.out.println(zdt); | |
} | |
} | |
//YouTube: RinaldoDev | |
//Twitter: @rinaldodev | |
//LinkedIn: rinaldodev | |
//Facebook: rinaldo.dev | |
//Blog: rinaldo.dev |
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