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            void</nobr>
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        <span class="sympad"><a href="../../../reference/java/util/Observable.html#notifyObservers(java.lang.Object)">notifyObservers</a></span>(<a href="../../../reference/java/lang/Object.html">Object</a> data)</nobr>
        
        <div class="jd-descrdiv">If <code>hasChanged()</code> ret