mLabel">Parameters:</span></dt>
<dd><code>classname</code> - the name of the required class</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the file instance, zip or class, containing the
         class or null if the class could not be found.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if the files in the classpath cannot be read.</dd>
</dl>
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