java get domain from url

/**
 * @author lautturi.com 
 * Java example: get domain from an url in java
 */

import java.util.*;
import java.net.URI;
import java.net.URISyntaxException;

public class Lautturi {

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

		String url = "https://www.lautturi.com/hello-lautturi.html";
		URI uri = new URI(url);
	    String domain = uri.getHost();
	    domain = domain.startsWith("www.") ? domain.substring(4) : domain;
	    System.out.println(domain);
	}
}

output:

lautturi.com