JFileChooser chooser = new JFileChooser();
FileSystemView view = chooser.getFileSystemView();
System.out.println("The home directory is " + view.getHomeDirectory());
System.out.println("The default directory is " + view.getDefaultDirectory());
System.out.println("The roots of this filesystem are: ");
File[] roots = view.getRoots();
for (int i = 0; i < roots.length; i++) {
System.out.println(" " + roots[i]);
}