Watch directory and sub directory changed
<p>I have make some code for detect changed in directory <code>C:/my_dir</code> it work great. (<a href="http://docs.oracle.com/javase/tutorial/essential/io/notification.html" rel="nofollow">I follow this link</a>)</p>

<p>But I need watcher also detect changed in all sub directory too.</p>

<p>like <code>C:/my_dir/*</code> Any idea?</p>
