?? frame1.java~3~
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package ex09_03;import java.awt.*;import java.awt.event.*;import javax.swing.*;public class Frame1 extends JFrame { JPanel contentPane; GridLayout gridLayout1 = new GridLayout(); JButton jButton1 = new JButton(); JButton jButton2 = new JButton(); JButton jButton3 = new JButton(); JButton jButton4 = new JButton(); JButton jButton5 = new JButton(); JButton jButton6 = new JButton(); JButton jButton7 = new JButton(); JButton jButton8 = new JButton(); /**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(); jButton1.setText("jButton1"); contentPane.setLayout(gridLayout1); this.setSize(new Dimension(400, 300)); this.setTitle("Frame Title"); gridLayout1.setRows(4); gridLayout1.setColumns(2); jButton2.setText("jButton2"); jButton3.setText("jButton3"); jButton4.setText("jButton4"); jButton5.setText("jButton5"); jButton6.setText("jButton6"); jButton7.setText("jButton7"); jButton8.setText("jButton8"); contentPane.add(jButton1, null); contentPane.add(jButton5, null); contentPane.add(jButton4, null); contentPane.add(jButton3, null); contentPane.add(jButton2, null); contentPane.add(jButton6, null); contentPane.add(jButton7, null); contentPane.add(jButton8, 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); } }}?? 快捷鍵說明
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