s="externalLink">IOException</a></code> - if IOException occurs</dd>
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<h4>readExternal</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;readExternal&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/ObjectInput.html?is-external=true" title="class or interface in java.io" class="externalLink">ObjectInput</a>&nbsp;in)
                  throws <