import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamException;

public class StAXSample1 {
    public StAXSample1(String xmlfile) throws FileNotFoundException, XMLStreamException {
        XMLInputFactory factory = XMLInputFactory.newInstance();

        BufferedInputStream stream = new BufferedInputStream(new FileInputStream(xmlfile));
        XMLStreamReader reader = factory.createXMLStreamReader(stream);

        for (; reader.hasNext(); reader.next()) {
            int eventType = reader.getEventType();

            if (eventType == XMLStreamConstants.START_ELEMENT) {
                System.out.println("Name: " + reader.getName());
             }
        }

        reader.close();
    }

    public static void main(String[] args) throws FileNotFoundException, XMLStreamException {
        new StAXSample1(args[0]);
    }
}