lang.Exception</code> - if a problem occurs while getting the results</dd></dl>
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<h4>getKeyNames</h4>
<pre>public&nbsp;java.lang.String[]&nbsp;getKeyNames()</pre>
<div class="block">Gets the names of each of the columns produced for a single run. This
 method should really be static.</div>
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../weka/experiment/ResultProducer.html#getKeyNames()">ge