Date Parsing and Formatting in Java 8

package nilpointer.net;

import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

public class Demo {

	public static void main(String[] args) {

		LocalDate date = LocalDate.now();

		System.out.println("Default format of LocalDate: " + date);

		System.out.println(date.format(DateTimeFormatter.ofPattern("d::MMM::uuuu")));

		System.out.println(date.format(DateTimeFormatter.BASIC_ISO_DATE));

		LocalDateTime dateTime = LocalDateTime.now();

		System.out.println("Default format of LocalDateTime: " + dateTime);

		System.out.println(dateTime.format(DateTimeFormatter.ofPattern("d::MMM::uuuu HH::mm::ss")));

		System.out.println(dateTime.format(DateTimeFormatter.BASIC_ISO_DATE));

		Instant timestamp = Instant.now();

		System.out.println("Default format of Instant: " + timestamp);

		LocalDateTime dt = LocalDateTime.parse("27::Apr::2014 21::39::48",
				DateTimeFormatter.ofPattern("d::MMM::uuuu HH::mm::ss"));

		System.out.println("Default format after parsing: " + dt);

	}

}

Output

Default format of LocalDate: 2017-11-29
29::Nov::2017
20171129
Default format of LocalDateTime: 2017-11-29T15:44:45.440
29::Nov::2017 15::44::45
20171129
Default format of Instant: 2017-11-29T08:44:45.441Z
Default format after parsing: 2014-04-27T21:39:48