JAVA EE: How to use toEpochMilli method of Instant class

Click here to watch on Youtube:
https://www.youtube.com/watch?v=FfHqle4oR6A&list=UUhwKlOVR041tngjerWxVccw

InstantDemo.java

import java.time.Instant;

public class InstantDemo

{

    public static void main(String[] args)

    {

        Instant instant = Instant.parse("2014-12-03T10:15:30.00Z");

        System.out.println(instant);

        /*

         * Converts this instant to the number of milliseconds from

         * the epoch of 1970-01-01T00:00:00Z.

         * 

         * Returns:the number of milliseconds since the epoch of

         * 1970-01-01T00:00:00Z

         */

        long ms = instant.toEpochMilli();

        System.out.println(ms);

    }

}