import javax.xml.bind.JAXBException;
import java.io.File;

public class Main {

    public static void main(String[] args) {
        Parser parser = new JaxbParser();
        File file = new File("elements.xml");


        JaxbRoot root = new JaxbRoot();
        try {
            parser.saveObject(file, root);
            System.out.println(parser.getObject(file, JaxbRoot.class));

        } catch (JAXBException e) {
            e.printStackTrace();
        }
    }
}