code: private JButton getOkButton()
      {
          if (okButton == null)
          {
              okButton = new JButton();
              okButton.setText("Go!");
              okButton.addActionListener(new java.awt.event.ActionListener()
              {
                  public void actionPerformed(java.awt.event.ActionEvent e)
                  {
                      displayURL(urlText.getText());
                  }
              });
          }
          return okButton;
      }
docs: This method initializes jButton
  
  @return javax.swing.JButton