span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">readExternal</span>&#8203;(<span class="arguments"><a href="https://docs.oracle.com/javase/8/docs/api/java/io/ObjectInput.html?is-external=true" title="class or interface in java.io" class="externalLink">ObjectInput</a>&nbsp;in)</span>
                  throws <span class="exceptions"><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalL