Source source = new Source(htmlContent);
Element element = source.getElementById("elementId");
List<Element> elements = source.getElementsByTag("tagName");
List<Element> elements = source.getAllElements(".className");
String attributeValue = element.getAttributeValue("attributeName");
URLConnection connection = url.openConnection();
connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3");
source.setEncoding("UTF-8");
connection.setRequestProperty("Cookie", "key=value");