code: private JTextField getUrlText()
      {
          if (urlText == null)
          {
              urlText = new JTextField();
              urlText.addActionListener(new java.awt.event.ActionListener()
              {
                  public void actionPerformed(java.awt.event.ActionEvent e)
                  {
                      displayURL(urlText.getText());
                  }
              });
          }
          return urlText;
      }
docs: This method initializes jTextField
  
  @return javax.swing.JTextField