java programming language 4th edition

Interface is the key to achieve the pluggable nature of components, the key to pluggable components is the existence of a common interface, and each component implements this interface. 　 What is an interface? Interfaces in Java are declarations of a series of methods, a collection of method features, an interface that has no method to implement the characteristics of a method, so that these methods can be implemented in different places by diff

8 Public classTestfirefoxdriver {9 Ten Public Static voidMain (String args[])throwsinterruptedexception { One ASystem.setproperty ("Webdriver. Firefox.driver ",". \\Tools\\geckodriver.exe "); -Webdriver Driver =Newfirefoxdriver (); - driver.manage (). window (). Maximize (); theDriver.get ("http://www.baidu.com"); -String s =driver.gettitle (); - System.out.print (s); -Driver.manage (). Timeouts (). Implicitlywait (10, timeunit.seconds); +Thread.Sleep (1000); - driver.close (); + A

the left mouse button and drag"), Borderlayout.north) f.add (TF, "South"); F.setbounds (f.addmousemotionlistener (), New Innermouse ()); F.addmouselistener (New Innermouse ()); f.setvisible (True);} public static void Main (string[] args) {new testinner (); }private class Innermouse Implements Mousemotionlistener, MouseListener {public void mousepressed (MouseEvent e) { string s = ("mouse presses" + "," + "position" + e.getpoint ()); tf.settext (s); } nbsp;public void mousereleased (MouseEvent