XML Java Tutorial

import java.io.FileInputStream;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Templates;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.Document;
public class Main {
  public static void main(String[] argv) throws Exception {
    TransformerFactory factory = TransformerFactory.newInstance();
    Templates template = factory.newTemplates(new StreamSource(new FileInputStream("xsl.xlt")));
    Transformer xformer = template.newTransformer();
    Source source = new StreamSource(new FileInputStream("in.xml"));
    DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document doc = builder.newDocument();
    Result result = new DOMResult(doc);
    xformer.transform(source, result);
  }
}