        <th><a href="../../../../reference/java/io/IOException.html">IOException</a></td>
            <td>if any I/O error occurs.</td>
        </tr>  
        <tr>
            <th><a href="../../../../reference/java/lang/IllegalArgumentException.html">IllegalArgumentException</a></td>
            <td>if <code>pattern</code> is empty.</td>
        </tr>  
        <tr>
            <th><a href="../../../../reference/java/lang/NullPointerException.html">NullPointerException</a></td>
            <td>if <code>pa