parse date string and get the year from date in java

/**
 * @author lautturi.com 
 * Java example: get the year from date in java
 */

import java.util.*;
import java.text.ParseException;
import java.text.SimpleDateFormat;

public class Lautturi {

	public static void main(String[] args) throws ParseException {

		String datetime = "2019-03-18 12:23:45";
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		Date date = format.parse(datetime);
		SimpleDateFormat df = new SimpleDateFormat("yyyy");
		String year = df.format(date);

		System.out.println("year:"+year);
		
	}
}

output:

year:2019