Running the. exe file in the Java implementation file Selector

Import java.awt.*;


import java.awt.event.*;


import javax.swing.*;


import java.io.*;


class Chooserrun extends JFrame implements ActionListener


{


JButton button;


JTextArea text;


Jtextpane TextPane;


FileInputStream ReadFile;


JScrollPane Scroll;


//Container con;


Jpanel con;


jfilechooser chooser=new jfilechooser ();


//==========================================


public Chooserrun ()


{


super ("window with file selector");


button=new JButton ("Open file selector");


Button.addactionlistener (this);


textpane=new Jtextpane ();


jfilechooser chooser=new jfilechooser ();


scroll=new JScrollPane (TextPane);


//JFileChooser chooser=new jfilechooser ();


Cannot initialize here!


this.setsize (New Dimension (200,200));


setvisible (TRUE);


con= (Jpanel) This.getcontentpane ();


Con.add (Button,borderlayout.north);


Con.add (Scroll,borderlayout.center);


Addwindowlistener (New Windowadapter () {


public void windowclosing (WindowEvent e) {


Dispose (); System.exit (0);}});


}


//====================================================


public void actionperformed (ActionEvent e)


{


if (E.getsource () ==button)


{


String S;


int State =chooser.showopendialog (NULL);


File file=chooser.getselectedfile ();


{


Try


{Runtime ce=runtime.getruntime ();


ce.exec (file.tostring ());


}


catch (IOException E1)


{


E1.printstacktrace ();


}


}


}


}


//--------------------------------------


}


import Javax.swing.UIManager;


import java.awt.*;


public class MyTest


{


public static void Main (String args[])


{


chooserrun run=new chooserrun ();


Run.pack ();


Dimension screensize = Toolkit.getdefaulttoolkit (). Getscreensize ();


Dimension framesize = Run.getsize ();


if (Framesize.height > Screensize.height) {


framesize.height = screensize.height;


}


if (Framesize.width > Screensize.width) {


framesize.width = screensize.width;


}


run.setlocation (screensize.width-framesize.width)/2, (Screensize.height-framesize.height)/2);


}


}