How To Launch A .hlp or html File From Java

Hi, I have A Small Program With Some Buttons, when the guide button is clicked I would like for java to launch my guide.html file in the browser, if this is not posible, please give me a alternative, thanks the following is my current code:
class helpPanel extends JPanel
{
      //Constructor For Help Panel
      public helpPanel()
      {
            //Creating Buttons To Display Image
            JButton guideButton = new JButton(new ImageIcon("images/butt-guide.jpg"));
            JButton creditsButton = new JButton(new ImageIcon("images/butt-credits.jpg"));
            JButton contactButton = new JButton(new ImageIcon("images/butt-contact.jpg"));
            
            //Adding Components
            add(guideButton);
            add(creditsButton);
            add(contactButton);
            
            //Adding ActionListeners To Components
            guideButton.addActionListener(new ActionListener()
            {
                  public void actionPerformed(ActionEvent e)
                  {
                        guideAction();
                  }
            });

            creditsButton.addActionListener(new ActionListener()
            {
                  public void actionPerformed(ActionEvent e)
                  {
                        creditsAction();
                  }
            });

            contactButton.addActionListener(new ActionListener()
            {
                  public void actionPerformed(ActionEvent e)
                  {
                        contactAction();
                  }
            });
      }
      
      //Action Definitions
      private void guideAction()
      {
            //This is where the code should be to launch the guide.hlp or guide.html
            Toolkit.getDefaultToolkit().beep();
      }
            
      private void creditsAction()
      {
            new Credits();
            Toolkit.getDefaultToolkit().beep();
      }
      
      private void contactAction()
      {
            new Contact();
            Toolkit.getDefaultToolkit().beep();
      }
}
isaacmcAsked:
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sudhakar_koundinyaCommented:
ry {
        String ls_str;

        Process ls_proc = Runtime.getRuntime().exec("winhelp myhelp.hlp");
}
catch(Exception exe)
{
}

if this is not executed give the total path by identifying it's path

for e.g "c:\\windows\\winhelp.exe myhelp.hlp"

sudhakar_koundinyaCommented:
for launching html files

 Process ls_proc = Runtime.getRuntime().exec("iexplore myhelp.html");
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isaacmcAuthor Commented:
sudhakar_koundinya

is there any apis's or anything i have to import and is that the only code i have to add to my actionlistener
sudhakar_koundinyaCommented:
import java.io.* is more than enough


class Launch
{
      public static void main(String[] args) throws Exception
      {
            
             try
            {
                   Process ls_proc = Runtime.getRuntime().exec("c:\\windows\\winhelp.exe");
            }
            catch(Exception ex)
            {
                  System.out.println("cannot create proccess. Executable not found error");
            }

      }
}

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sudhakar_koundinyaCommented:
make sure that you should give correct path for both executable and help file

for example if the exe is in windows directory and help file is in your directory you should give like this

 Process ls_proc = Runtime.getRuntime().exec("c:\\windows\\winhelp.exe  c:\myapp\myhelp.hlp");

but make sure to import java.io.* package
sudhakar_koundinyaCommented:
does that gives any help
isaacmcAuthor Commented:
could you please give me a whole working code using swing with a jframe and a button with a actionlistener thats works with this code, thanks.
isaacmcAuthor Commented:
sudhakar_koundinya

thanks alot man
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