?? frame1.java~4~
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package ex08_04;import java.awt.*;import java.awt.event.*;import javax.swing.*;public class Frame1 extends JFrame { JPanel contentPane; JLabel jLabel1 = new JLabel(); /**Construct the frame*/ public Frame1() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } /**Component initialization*/ private void jbInit() throws Exception { //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]"))); contentPane = (JPanel) this.getContentPane(); jLabel1.setText("jLabel1"); jLabel1.setBounds(new Rectangle(21, 12, 148, 38)); contentPane.setLayout(null); this.setSize(new Dimension(400, 300)); this.setTitle("Frame Title"); this.addKeyListener(new java.awt.event.KeyAdapter() { public void keyPressed(KeyEvent e) { this_keyPressed(e); } public void keyReleased(KeyEvent e) { this_keyReleased(e); } }); contentPane.add(jLabel1, null); } /**Overridden so we can exit when window is closed*/ protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { System.exit(0); } } void this_keyPressed(KeyEvent e) {jLabel1.setText("硂琌keyPressed"); } void this_keyReleased(KeyEvent e) {jLabel1.setText("硂琌keyReleased"); }}?? 快捷鍵說明
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