What is the purpose of toEpochSecond() method in Java 9?

In Java 9, the LocalDate class provides the toEpochSecond() method for converting local date to epochsecond. The toEpochSecond() method converts LocalDate to the number of seconds since epoch 1970-01-01T00:00:00Z. LocalDate can be used in conjunction with a given time and time zone offset to calculate the number of seconds since 1970-01-01T00:00:00Z. The Chinese translation of

Grammar

<strong>public long toEpochSecond(LocalTime time, ZoneOffset offset)</strong>

Example

is:

Example

import java.time.LocalDate;
import java.time.LocalTime;
import java.time.ZoneOffset;

public class ToEpochSecondMethodTest {
   public static void main(String args[]) {
      <strong>LocalDate</strong> date = LocalDate.now();
      <strong>LocalTime </strong>time = LocalTime.now();

      System.out.println("LocalDate toEpochSecond : " + date.<strong>toEpochSecond</strong>(time, <strong>ZoneOffset</strong>.of("Z")));
      System.out.println("LocalTime toEpochSecond : " + time.<strong>toEpochSecond</strong>(date, <strong>ZoneOffset</strong>.of("Z")));
   }
}

Output

<strong>LocalDate toEpochSecond : 1583496984
LocalTime toEpochSecond : 1583496984</strong>

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