Class<? extends User> aClass1 = user.getClass(); System.out.println(userClass); System.out.println(aClass1); System.out.println(aClass); aClass1.getDeclaredField("age") ; // aClass.getDeclaredField("age") ; //此
*/publicclassByClassName{publicstaticvoidmain(String[]args)throws InterruptedException{System.setProperty("webdriver.gecko.driver",".\\Tools\\chromedriver.exe");//指定驱动路径WebDriver driver=newChromeDriver();//最大化窗口driver.manage().window().maximize();driver.get("http://wwww.baidu.com");/...
可以看到,对象a是A的一个实例,A是某一个类,在if语句中使用a.getClass()返回的结果正是类A的类型类,在Java中表示一个特定类型的类型类可以用“类型.class”的方式获得,因为a.getClass()获得是A的类型类,也就是A.class,因此上面的代码执行的结果就是打印出“equal”。特别注意的是,类型类是一一对应的,父类...
Java can help reduce costs, drive innovation, & improve application services; the #1 programming language for IoT, enterprise architecture, and cloud computing.
@WebServlet("/QueryStudentInfoByPageServlet") public class QueryStudentInfoByPageServlet extends HttpServlet { private static final long serialVersionUID = 1L; public QueryStudentInfoByPageServlet() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws Serv...
11 */12publicclassTestInetAddress{1314publicstaticvoidmain(String[]args)throws UnknownHostException{15//如何创建一个InetAddress对象16InetAddress inet=InetAddress.getByName("www.baidu.com");17System.out.println(inet);18System.out.println(inet.getHostName());19System.out.println(inet.getHostAddress()...
java getName() getClass()用法 In java there is a way that makes us enabled toget the object class nameat runtime. It can be done by calling thegetClass()method on the class object. Then by calling the methodgetName()we can get the name of the object class....
publicclassByTagName { publicstaticvoidmain(String[] args)throwsException { //System.setProperty("webdriver.gecko.driver", ".\\Tools\\chromedriver.exe");//指定驱动路径 // //WebDriver driver = new ChromeDriver (); System.setProperty("webdriver.gecko.driver", ".\\Tools\\geckodriver.exe"); ...
宏哥还是用百度首页搜索输入和点击提交来演示,由于搜索输入文本框有name属性,而点击提交没有name属性,所以宏哥这里只有一个元素定位采用了By name来定位。 2.常用定位方法(8种) (1)id (2)name(今天讲解) (3)class name (4)tag name (5)link text
String.class.getName() returns "java.lang.String" byte.class.getName() returns "byte" (new Object[3]).getClass().getName() returns "[Ljava.lang.Object;" (new int[3][4][5][6][7][8][9]).getClass().getName() returns "[[[I" </blockquote> Java documentation for java.lang...