API Google Maps

import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;

import java.io.IOException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPathExpressionException;
import org.xml.sax.SAXException;

public class GeocodingSample {

  // URL prefix to the geocoder
  private static final String GEOCODER_REQUEST_PREFIX_FOR_XML = "http://maps.google.com/maps/api/geocode/xml";

  public static final void main (String[] argv) throws IOException, XPathExpressionException, ParserConfigurationException, SAXException {

    // query address
    String address = "1600 Amphitheatre Parkway, Mountain View, CA";

    // prepare a URL to the geocoder
    URL url = new URL(GEOCODER_REQUEST_PREFIX_FOR_XML + "?address=" + URLEncoder.encode(address, "UTF-8") + "&sensor=false");

    // prepare an HTTP connection to the geocoder
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    Document geocoderResultDocument = null;
    try {
      // open the connection and get results as InputSource.
      conn.connect();
      InputSource geocoderResultInputSource = new InputSource(conn.getInputStream());

      // read result and parse into XML Document
      geocoderResultDocument = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(geocoderResultInputSource);
    } finally {
      conn.disconnect();
    }

    // prepare XPath
    XPath xpath = XPathFactory.newInstance().newXPath();

    // extract the result
    NodeList resultNodeList = null;

    // a) obtain the formatted_address field for every result
    resultNodeList = (NodeList) xpath.evaluate("/GeocodeResponse/result/formatted_address", geocoderResultDocument, XPathConstants.NODESET);
    for(int i=0; i<resultNodeList.getLength(); ++i) {
      System.out.println(resultNodeList.item(i).getTextContent());
    }

    // b) extract the locality for the first result
    resultNodeList = (NodeList) xpath.evaluate("/GeocodeResponse/result[1]/address_component[type/text()='locality']/long_name", geocoderResultDocument, XPathConstants.NODESET);
    for(int i=0; i<resultNodeList.getLength(); ++i) {
      System.out.println(resultNodeList.item(i).getTextContent());
    }

    // c) extract the coordinates of the first result
    resultNodeList = (NodeList) xpath.evaluate("/GeocodeResponse/result[1]/geometry/location/*", geocoderResultDocument, XPathConstants.NODESET);
    float lat = Float.NaN;
    float lng = Float.NaN;
    for(int i=0; i<resultNodeList.getLength(); ++i) {
      Node node = resultNodeList.item(i);
      if("lat".equals(node.getNodeName())) lat = Float.parseFloat(node.getTextContent());
      if("lng".equals(node.getNodeName())) lng = Float.parseFloat(node.getTextContent());
    }
    System.out.println("lat/lng=" + lat + "," + lng);
    
    // c) extract the coordinates of the first result
    resultNodeList = (NodeList) xpath.evaluate("/GeocodeResponse/result[1]/address_component[type/text() = 'administrative_area_level_1']/country[short_name/text() = 'US']/*", geocoderResultDocument, XPathConstants.NODESET);
    float lat = Float.NaN;
    float lng = Float.NaN;
    for(int i=0; i<resultNodeList.getLength(); ++i) {
      Node node = resultNodeList.item(i);
      if("lat".equals(node.getNodeName())) lat = Float.parseFloat(node.getTextContent());
      if("lng".equals(node.getNodeName())) lng = Float.parseFloat(node.getTextContent());
    }
    System.out.println("lat/lng=" + lat + "," + lng);

  }

}

Exception in thread "main" java.net.ConnectException: Connection timed out: connect
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.PlainSocketImpl.doConnect(Unknown Source)
	at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
	at java.net.PlainSocketImpl.connect(Unknown Source)
	at java.net.SocksSocketImpl.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at sun.net.NetworkClient.doConnect(Unknown Source)
	at sun.net.www.http.HttpClient.openServer(Unknown Source)
	at sun.net.www.http.HttpClient.openServer(Unknown Source)
	at sun.net.www.http.HttpClient.<init>(Unknown Source)
	at sun.net.www.http.HttpClient.New(Unknown Source)
	at sun.net.www.http.HttpClient.New(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
	at GeocodingSample.main(GeocodingSample.java:37)