lass="block">Determine if there is an existing attribute node for the given
 attribute.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#hasAttributeNode(java.lang.String)" class="member-name-link">hasAttributeNode</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/