// File f = new File(args[i]);
URL u = new URL("http://sunsite.unc.edu/javafaq/javaio.jar");
URL ju = new URL("jar:" + u + "!/com/macfaq/io/DataFilter.class");
URLConnection juc = u.openConnection();
System.out.println(juc.getClass());
System.out.println(u);
System.out.println(ju); System.out.println(ju.getFile());
System.out.println(juc);
// System.out.println(juc.getURL());
