span></dt>
<dd>the actual number read into the byte array, -1 at
         the end of the stream</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if an error occurs</dd>
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<h4>mark</h4>
<pre>public&nbsp;void&nbsp;mark(int&nbsp;limit)</pre>
<div class="block">Marks the read limit of the Reader.</div>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<