Java tutorial
import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.annotation.XmlAttribute; import javax.xml.bind.annotation.XmlRootElement; @XmlRootElement class Weird { public String myValue; @XmlAttribute(name = "NewValue") public String svalue; public String getValue() { return myValue; } public void setValue(String value) { this.myValue = value; } } public class Main { public static void main(String[] args) throws JAXBException { Weird w = new Weird(); w.myValue = "foo"; w.svalue = "bar"; JAXBContext context = JAXBContext.newInstance(Weird.class); context.createMarshaller().marshal(w, System.out); } }