LocalDate toEpochSecond() method in Java with Examples
Last Updated :
17 Dec, 2018
The toEpochSecond() method of a LocalDate class is used to convert this LocalDate to the number of seconds since the epoch of 1970-01-01T00:00:00Z. The method combines this local date with the specified time and offsets passed as parameters to calculate the epoch-second value, which is the number of elapsed seconds from 1970-01-01T00:00:00Z. Instants on the timeline after the epoch are positive, earlier are negative.
Syntax:
public long toEpochSecond(LocalTime time,
ZoneOffset offset)
Parameters: This method accepts two parameters time and offset which are the local time and the zone offset.
Return value: This method returns long which is the number of seconds since the epoch of 1970-01-01T00:00:00Z, may be negative.
Below programs illustrate the toEpochSecond() method:
Program 1:
import java.time.*;
public class GFG {
public static void main(String[] args)
{
LocalDate localD
= LocalDate.parse( "2018-12-06" );
System.out.println( "LocalDate: "
+ localD);
LocalTime time
= LocalTime.parse( "20:12:32" );
System.out.println( "Passed LocalTime: "
+ time);
ZoneOffset zone = ZoneOffset.of( "Z" );
System.out.println( "Passed ZoneOffset: "
+ zone);
System.out.println( "Epoch Second: "
+ localD.toEpochSecond(time, zone));
}
}
|
Output:
LocalDate: 2018-12-06
Passed LocalTime: 20:12:32
Passed ZoneOffset: Z
Epoch Second: 1544127152
Program 2:
import java.time.*;
public class GFG {
public static void main(String[] args)
{
LocalDate localD
= LocalDate.parse( "2019-01-01" );
System.out.println( "LocalDate: "
+ localD);
LocalTime time
= LocalTime.parse( "00:00:00" );
System.out.println( "Passed LocalTime: "
+ time);
ZoneOffset zone = ZoneOffset.of( "Z" );
System.out.println( "Passed ZoneOffset: "
+ zone);
System.out.println( "Epoch Second: "
+ localD.toEpochSecond(time, zone));
}
}
|
Output:
LocalDate: 2019-01-01
Passed LocalTime: 00:00
Passed ZoneOffset: Z
Epoch Second: 1546300800
Reference: https://docs.oracle.com/javase/10/docs/api/java/time/LocalDate.html#toEpochSecond(java.time.LocalTime, java.time.ZoneOffset)
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