java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;attributeName)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Determine if there is an existing attribute node for the attribute
 with the given name.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
<div cl