Java HTML/XML - 如何按标签名称和类选择html标签

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

public class Main {

  public static void main(String[] args) throws Exception {
    String URL = "http://www.your server.com";
    Document doc = Jsoup.connect(URL).get();

    String cheapest = doc.select("b.item-price").first().text();
    System.out.println(cheapest);

  }
}