51 lines
1.5 KiB
Java
51 lines
1.5 KiB
Java
import org.joda.time.Instant;
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import java.time.LocalDateTime;
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import java.time.ZoneId;
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import java.time.ZonedDateTime;
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import java.util.Calendar;
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import java.util.Date;
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public class ConvertDateTime {
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public static void main(String[] args) {
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java8();
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joda();
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Date date = coreDate();
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calendar(date);
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}
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private static Date coreDate() {
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Date date = new Date();
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System.out.println("Date - Time in milliseconds : " + date.getTime());
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return date;
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}
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private static void calendar(Date date) {
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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System.out.println("Calender - Time in milliseconds : " + calendar.getTimeInMillis());
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}
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private static void joda() {
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org.joda.time.DateTime jodaDateTime = new org.joda.time.DateTime();
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long delta = jodaDateTime.getMillis();
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System.out.println("Joda - Time in milliseconds : " + delta);
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Instant jodaInstant = Instant.now();
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System.out.println("Joda - Instant in milliseconds : " + jodaInstant.getMillis());
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}
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private static void java8() {
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long instantMillis = java.time.Instant.now().toEpochMilli();
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LocalDateTime localDateTime = LocalDateTime.now();
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ZoneId id = ZoneId.systemDefault();
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ZonedDateTime zdt = ZonedDateTime.of(localDateTime, id);
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System.out.println("Java 8 - Time in milliseconds : " + zdt.toInstant().toEpochMilli());
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}
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}
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