/java/javase/17/docs/api/java.base/java/lang/IllegalStateException.html" title="class or interface in java.lang" class="external-link">IllegalStateException</a></code> - if writeArray, writeObject, write
     or close method is already called</dd>
<dt>Since:</dt>
<dd>1.1</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="close()">
<h3>close</h3>
<div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">close</span>()</div>
<dl class="notes">
<dt>Specified 