Need find jar file to compile ibm xml4j classes.

Hello;

I try to compile some sample code cited in tutorial ‘XML Programming in
 Java” (IBM XML site) and I get the   following error:

  Class org.w3c.dom.Attr not found in import and Package com.ibm.xml.parsers
not found in import.Etc.

I have added xml4j.jar to my pc and modified my CLASSPATH.

Do you know from where I can get the jar file to compile and run the
examples?

TIA

The source file has these lines:

 import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import com.ibm.xml.parsers.*;


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