### Question:
HtmlParser { public static HtmlParser instance() { return new HtmlParser(); } private  HtmlParser(AbstractSaxHtmlParser parser);  HtmlParser(); static HtmlParser instanceWithHtmlCleanupRules(); static HtmlParser instance(); void parse(InputSource input, DocumentBuilder builder); void parse(InputSource input, DocumentBuilder builder, boolean asDocument);  }### Answer:
@Test public void instance() { HtmlParser instance = HtmlParser.instance(); assertNotNull(instance); assertNotNull(instance.getDelegate()); }