><dd><code>index</code> - the number of interest</dd>
<dt><span class="strong">Returns:</span></dt><dd>true if index is in the current range</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.RuntimeException</code> - if the upper limit of the range hasn't been defined</dd></dl>
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<h4>toString</h4>
<pre>public&nbsp;java.lang.String&nbsp;toString()</pre>
<div class="block">Constructs a representat