atabases">Database</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>iterator</dd></dl>
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<h4>contains</h4>
<pre>public&nbsp;boolean&nbsp;contains(<a href="../../../../weka/clusterers/forOPTICSAndDBScan/DataObjects/DataObject.html" title="interface in weka.clusterers.forOPTICSAndDBScan.DataObjects">DataObject</a>&nbsp;dataObject_Query)</pre>
<d