package sfms;import java.awt.*;import java.awt.event.*;import javax.swing.*;import com.borland.jbcl.layout.*;public class Frame1 extends JFrame {  JPanel contentPane;  XYLayout xYLayout1 = new XYLayout();  JLabel jLabel1 = new JLabel();  JLabel jLabel2 = new JLabel();  JLabel jLabel3 = new JLabel();  JTextField jTextField1 = new JTextField();  JTextField jTextField2 = new JTextField();  JButton jButton1 = new JButton();  JButton jButton2 = 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  {    contentPane = (JPanel) this.getContentPane();    jLabel1.setFont(new java.awt.Font("Dialog", 1, 18));    jLabel1.setForeground(new Color(255, 144, 85));    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);    jLabel1.setText("歡迎進入學生信息管理系統");    contentPane.setLayout(xYLayout1);    this.setSize(new Dimension(400, 300));    this.setTitle("簡易學生信息管理系統 SFMS");    jLabel2.setFont(new java.awt.Font("Dialog", 1, 15));    jLabel2.setForeground(Color.blue);    jLabel2.setText("用戶名");    jLabel3.setFont(new java.awt.Font("Dialog", 1, 15));    jLabel3.setForeground(Color.blue);    jLabel3.setText("密碼");    jTextField1.setText("");    jTextField2.setText("");    jButton1.setFont(new java.awt.Font("Dialog", 1, 15));    jButton1.setForeground(Color.blue);    jButton1.setText("提   交");    jButton2.setFont(new java.awt.Font("Dialog", 1, 15));    jButton2.setForeground(Color.blue);    jButton2.setText("清   除");    jButton2.addActionListener(new Frame1_jButton2_actionAdapter(this));    contentPane.add(jLabel1,  new XYConstraints(7, 0, 380, 40));    contentPane.add(jLabel2,   new XYConstraints(47, 87, 94, 31));    contentPane.add(jLabel3,  new XYConstraints(46, 165, 93, 32));    contentPane.add(jTextField1,    new XYConstraints(180, 88, 130, 32));    contentPane.add(jTextField2,   new XYConstraints(180, 162, 131, 32));    contentPane.add(jButton1,  new XYConstraints(67, 237, 92, 32));    contentPane.add(jButton2,    new XYConstraints(244, 237, 92, 32));  }  //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 jButton2_actionPerformed(ActionEvent e) {   jTextField1.setText("");   jTextField2.setText("");  }}class Frame1_jButton2_actionAdapter implements java.awt.event.ActionListener {  Frame1 adaptee;  Frame1_jButton2_actionAdapter(Frame1 adaptee) {    this.adaptee = adaptee;  }  public void actionPerformed(ActionEvent e) {    adaptee.jButton2_actionPerformed(e);  }}