GUI

public class Demo1_Frame {

/** * @param args */public static void main(String[] args) {    Frame f = new Frame("我的第一个窗口");    f.setSize(400, 600);                            //设置窗体大小    f.setLocation(500, 50);                         //设置窗体位置    f.setIconImage(Toolkit.getDefaultToolkit().createImage("qq.png"));    Button b1 = new Button("按钮一");    Button b2 = new Button("按钮二");    f.add(b1);    f.add(b2);    f.setLayout(new FlowLayout());                  //设置布局管理器    //f.addWindowListener(new MyWindowAdapter());    f.addWindowListener(new WindowAdapter() {        @Override        public void windowClosing(WindowEvent e) {            System.exit(0);        }    });    b1.addMouseListener(new MouseAdapter() {        /*@Override        public void mouseClicked(MouseEvent e) {    //单击            System.exit(0);        }*/        @Override        public void mouseReleased(MouseEvent e) {   //释放            System.exit(0);        }    });    b1.addKeyListener(new KeyAdapter() {        @Override        public void keyReleased(KeyEvent e) {            //System.exit(0);            //System.out.println(e.getKeyCode());            //if(e.getKeyCode() == 32) {            if(e.getKeyCode() == KeyEvent.VK_SPACE){                System.exit(0);            }        }    });    b2.addActionListener(new ActionListener() {     //添加动作监听,应用场景就是暂停视频和播放视频        @Override        public void actionPerformed(ActionEvent e) {            System.exit(0);        }    });    f.setVisible(true);                             //设置窗体可见}

}

/*class MyWindowListener implements WindowListener {

@Overridepublic void windowOpened(WindowEvent e) {}@Overridepublic void windowClosing(WindowEvent e) {    System.exit(0);}@Overridepublic void windowClosed(WindowEvent e) {    System.out.println("Closed");}@Overridepublic void windowIconified(WindowEvent e) {}@Overridepublic void windowDeiconified(WindowEvent e) {}@Overridepublic void windowActivated(WindowEvent e) {}@Overridepublic void windowDeactivated(WindowEvent e) {}

}
*/

/*class MyWindowAdapter extends WindowAdapter {
@Override
public void windowClosing(WindowEvent e) {
System.exit(0);
}
}*/