In this article, we will learn how to form LocalDateTime passing number of second/nanosecond & ZoneOffset using LocalDateTime.ofEpochSecond() method provided in Java 1.8 version
Form LocalDateTime passing Second & Nano & ZoneOffset :
- LocalDateTime.ofEpochSecond(epochSecond, nanoOfSecond, ZoneOffset) –
- Obtains an instance of LocalDateTime using seconds from the epoch of 1970-01-01T00:00:00Z
- Pass number of seconds & nanoseconds and ZoneOffset to the LocalDateTime.ofEpochSecond() method which returns LocalDateTime
- Finally, print LocalDateTime in different formatted style like SHORT & MEDIUM to the console
FormLocalDateTime4.java
package in.bench.resources.java8.localdatetime.examples;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.time.format.FormatStyle;
public class FormLocalDateTime4 {
public static void main(String[] args) {
// 1. seconds
long seconds = 1659961889L;
System.out.println("Number of Seconds in long format = " + seconds);
// 2. nanoseconds
int nano = 123456789;
System.out.println("Number of Nanoseconds in int format = " + nano);
// 3. ZoneOffset
ZoneOffset zoneOffset = ZoneOffset.of("+05:30");
System.out.println("Default Zone Offset = " + zoneOffset);
// 4. form LocalDateTime passing Seconds & NanoSeconds & ZoneOffset
LocalDateTime localDateTime = LocalDateTime.ofEpochSecond(seconds, nano, zoneOffset);
System.out.println("\nLocalDateTime :- " + localDateTime);
// 4.1 format LocalDateTime in FormatStyle.SHORT
String formattedStr1 = localDateTime.format(
DateTimeFormatter.ofLocalizedDateTime(FormatStyle.SHORT));
System.out.println("\nLocalDateTime in FormatStyle.SHORT :- " + formattedStr1);
// 4.2 format LocalDateTime in FormatStyle.MEDIUM
String formattedStr2 = localDateTime.format(
DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM));
System.out.print("LocalDateTime in FormatStyle.MEDIUM :- " + formattedStr2);
}
}
Output:
Number of Seconds in long format = 1659961889
Number of Nanoseconds in int format = 123456789
Default Zone Offset = +05:30
LocalDateTime :- 2022-08-08T18:01:29.123456789
LocalDateTime in FormatStyle.SHORT :- 08/08/22, 6:01 pm
LocalDateTime in FormatStyle.MEDIUM :- 08-Aug-2022, 6:01:29 pm
Related Articles:
- Java 8 – LocalDateTime with method details and examples
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- More Java 8 Date/Time API examples
References:
- https://docs.oracle.com/javase/8/docs/api/java/time/LocalDateTime.html
- https://docs.oracle.com/javase/8/docs/api/java/time/ZoneOffset.html
- https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html
- https://docs.oracle.com/javase/8/docs/api/java/time/format/FormatStyle.html
- https://docs.oracle.com/javase/7/docs/api/java/util/Date.html
- https://docs.oracle.com/javase/7/docs/api/java/util/Calendar.html
Happy Coding !!
Happy Learning !!