Rutas internas JAR

[angeljc23]

URL url = null;
private void jBtnAyudaActionPerformed(java.awt.event.ActionEven t evt) {
try {
JFileChooser fileChooser = new JFileChooser();
fileChooser.setSelectedFile(new File("/C:/Documents and Settings/AngelJC/Mis documentos/newproject_tmphhp/newproject.chm"));
url= fileChooser.getSelectedFile().toURL();
File obj = new File(url.getFile());
Runtime r = Runtime.getRuntime();
Process p = null;
String comando[] = {"c:/windows/hh.exe", obj.getPath()};
p = r.exec(comando);
} catch (Exception ew) {
System.out.println("Error ejecutando " + ew);
}
}
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//Este codigo va dentro de un boton
// solo se debe modificar la ruta del fichero en la parte del codigo= fileChooser.setSelectedFile(new File("aqui ruta"));