How to open the file listed in jlist

JFileChooser fc = new JFileChooser();
fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
fc.showOpenDialog(null);
File directory = fc.getSelectedFile();
if ( directory != null && directory.isDirectory()) {
    File[] subFiles = directory.listFiles();
    for ( int i = 0; i < subFiles.length; i++ ){
        listModel.addElement( subFiles[i] );
    }
}