code><a href="../../../reference/javax/xml/XMLConstants.html#XMLNS_ATTRIBUTE">XMLConstants.XMLNS_ATTRIBUTE</a></code>, Namespace name URI.</p>

 <p>Defined by the XML specification to be
 "<code>http://www.w3.org/2000/xmlns/</code>".</p></p></div>
  <div class="jd-tagdata">
      <h5 class="jd-tagtitle">See Also</h5>
      <ul class="nolist"><li><a href="http://www.w3.org/TR/REC-xml-names/#ns-qualnames">
 Namespaces in XML, 3. Qualified Names</a></li><li><a href="http://www.w3.org/XML/xml-names-19990114-err