Java tutorial
//package com.java2s; import java.io.File; import java.io.IOException; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; public class Main { public static void saveInstance(File outputFile, Object instance) throws JAXBException, IOException { Marshaller marshaller = JAXBContext.newInstance(instance.getClass()).createMarshaller(); marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE); marshaller.marshal(instance, outputFile); } }