ava/io/Externalizable.html#writeExternal(java.io.ObjectOutput)" title="class or interface in java.io" class="external-link">writeExternal</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/Externalizable.html" title="class or interface in java.io" class="external-link">Externalizable</a></code></dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or inter