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<h4>getNumClasses</h4>
<pre>public&nbsp;int&nbsp;getNumClasses()</pre>
<div class="block">returns the current number of classes</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the number of classes</dd></dl>
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<h4>setClassIndex</h4>
<pre>public&nbsp;void&nbsp;setClassIndex(int&nbsp;value)