ode>&nbsp;in interface&nbsp;<code>weka.core.OptionHandler</code></dd>
<dt><span class="strong">Returns:</span></dt><dd>an enumeration of all the available options</dd></dl>
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<h4>collectStems</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</a>&nbsp;collectStems()
                       throws <a 