h
 <code>cause</code> is <i>not</i> automatically incorporated in
 this runtime exception's detail message.</div>
<dl>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>message</code> - the detail message (which is saved for later retrieval
                by the <code>Throwable.getMessage()</code> method).</dd>
<dd><code>cause</code> - the cause (which is saved for later retrieval by the
                <code>Throwable.getCause()</code> method).  (A <tt>null</tt> value is
                permitted