<dd>1.1</dd>
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<dd>""</dd>
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<h4>portNumber</h4>
<pre>public abstract&nbsp;int&nbsp;portNumber</pre>
<div class="block">Port number where a server is listening for requests.</div>
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<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.1</dd>
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<dt>Default:</dt>
<dd>-1</dd>
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