package ex10_03;import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.util.*;public class Frame1 extends JFrame {  JPanel contentPane;  JButton jButton1 = new JButton();  JTextField jTextField1 = new JTextField();  JScrollPane jScrollPane1 = new JScrollPane();  JList jList1 = new JList();  JButton jButton2 = new JButton();  JLabel jLabel1 = new JLabel();  JLabel jLabel2 = 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();    jButton1.setText("