package jmemorydemo;import java.awt.*;import java.awt.event.*;import javax.swing.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2002</p> * <p>Company: </p> * @author unascribed * @version 1.0 */public class MainFrame extends JFrame {  private JPanel contentPane;  private BorderLayout borderLayout1 = new BorderLayout();  private JProgressBar jProgressBar1 = new JProgressBar();  private JLabel jLabel1 = new JLabel();  private JLabel jLabel2 = new JLabel();  //Construct the frame  public MainFrame() {    enableEvents(AWTEvent.WINDOW_EVENT_MASK);    try {      jbInit();    }    catch(Exception e) {      e.printStackTrace();    }  }  //Component initialization  private void jbInit() throws Exception  {    //setIconImage(Toolkit.getDefaultToolkit().createImage(MainFrame.class.getResource("[Your Icon]")));    contentPane = (JPanel) this.getContentPane();    contentPane.setLayout(borderLayout1);    this.setSize(new Dimension(304, 215));    this.setTitle("內存監視演示");    jLabel1.setFont(new java.awt.Font("Dialog", 0, 14));    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);    jLabel1.setText("Memory Monitor");    jProgressBar1.setOrientation(JProgressBar.VERTICAL);    jProgressBar1.setFont(new java.awt.Font("Dialog", 0, 14));    jProgressBar1.setToolTipText("");    jProgressBar1.setStringPainted(true);    jLabel2.setFont(new java.awt.Font("Dialog", 0, 14));    jLabel2.setText("");    contentPane.add(jProgressBar1,  BorderLayout.CENTER);    contentPane.add(jLabel1, BorderLayout.NORTH);    contentPane.add(jLabel2, BorderLayout.SOUTH);    ProgressThread pThread = new ProgressThread(this.jProgressBar1,this.jLabel2);    pThread.start();  }  //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);    }  }}