d object.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>obj</code> - the object to diff against, can be <code>null</code></dd>
<dt><span class="strong">Returns:</span></dt><dd>a list of differences</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the specified object is <code>null</code></dd><