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spendsalotoftimeineachcity).(Tokeeptheexamplesimple,I'mnotprovidingaDTD
or a schema.)
Supposeyouwanttolocateandoutputthenamesofallcontactsthatliveatleastpart
ofeach year inChicago. Listing 10-21 presents the source code toa DOMSearch ap-
plication that accomplishes this task with the DOM API.
Listing 10-21. Locating Chicago contacts with the DOM API
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
class DOMSearch
{
public static void main(String[] args)
{
try
{
DocumentBuilderFactory dbf = DocumentBuilderFact-
ory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse("contacts.xml");
List<String>
contactNames
=
new
Ar-
rayList<String>();
NodeList
contacts
=
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