parse string timestamp to instant in java

/**
 * @author lautturi.com 
 * Java example: java instant from timestamp string
 */


import java.time.Instant;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		String timestamp = "2018-10-22 17:20:13";
		final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
				.withZone(ZoneId.systemDefault());
		Instant result = Instant.from(formatter.parse(timestamp));

		System.out.println("Instant: " + result);

	}
}

output:

Instant: 2018-10-22T14:20:13Z