Pegando os icones do Sistema Operacional

import java.awt.GridLayout;
import java.io.File;
import javax.swing.*;
import javax.swing.filechooser.FileSystemView;
import sun.awt.shell.ShellFolder;



public class SystemIcons extends JFrame {
    JLabel iconA = new JLabel("Icone 32x32");
    JLabel iconB = new JLabel("Icone 16x16");

    public SystemIcons() {
        super("Pegando Icones");
        setLayout(new GridLayout(4,1));
        
        
        File file = null;
        String extension = "doc";
        Icon icon32 = null;
        Icon icon16 = null;
        try
        {
             // Criar um arquivo temporario
             file = File.createTempFile("icon", "." + extension);

             // Icone 32x32
             ShellFolder shellFolder = ShellFolder.getShellFolder(file);
             icon32 = new ImageIcon(shellFolder.getIcon(true));
             
             // Icone 16x16
             FileSystemView view = FileSystemView.getFileSystemView();
             icon16 = view.getSystemIcon(file);
             
             // Descrição do Tipo
            iconA.setText(view.getSystemTypeDescription(file));
             
              iconA.setIcon(icon32);
              iconB.setIcon(icon16);
              
              
             // Deletar arquivo temporario
             file.delete();
              

        }
        catch (Exception e)
        {
        }

        add(iconA);
        add(iconB);
        
    }
    
   public static void main(String[] args) {
      SwingUtilities.invokeLater(new Runnable() {

         public void run() {
            try {
               UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
               SystemIcons f = new SystemIcons();
               f.setSize(300, 300);
               f.setVisible(true);
               f.setDefaultCloseOperation(EXIT_ON_CLOSE);
               
               byte bit = (byte) 2;
               System.out.println(bit);
               
            } catch (Exception ex) {
               ex.printStackTrace();
            }
         }
      });
   }

}