Java----对象序列化--和XML

public class XMLUtil implements java.io.Serializable{
    private String user = null;
   
    public String getUser() {
        return user;
    }

    public void setUser(String user) {
        this.user = user;
    }

    public static void main(String[] args) {
        xml();
        writeSerializable();
        readSerializeable();
       
    }
    //将对象序列化写
    public static void writeSerializable() {
        try {
            XMLUtil util = new XMLUtil();
            util.setUser("wang");
            FileOutputStream outs = new FileOutputStream("D:/serializable.ini");
            ObjectOutputStream objOuts  = new ObjectOutputStream(outs);
            objOuts.writeObject(util);
            objOuts.flush();
            objOuts.close();
            outs.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
       
    }
    //将对象序列化写读
    public static void readSerializeable(){
        try{
            FileInputStream inputs = new FileInputStream("D:/serializable.ini");
            ObjectInputStream objInputs = new ObjectInputStream(inputs);
            XMLUtil xmlUtil =  (XMLUtil)objInputs.readObject();
            objInputs.close();
            inputs.close();
            System.out.println(xmlUtil.getUser());
        }catch(Exception ex){
            ex.printStackTrace();
        }
    }
    //读写xml文档
    public static void xml() {
//        <?xml version="1.0" encoding="UTF-8"?>
//        <school>
//            <student>
//                <name>Berry</name>
//                <age>20</age>
//                <score>88</score>
//            </student>
//            <student>
//                <name>Lisa</name>
//                <age>21</age>
//                <score>95</score>
//            </student>
//        </school>
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        try {
            DocumentBuilder builder = factory.newDocumentBuilder();
            Document doc = builder.parse("src/stu.xml");
            NodeList names = doc.getElementsByTagName("name");
            NodeList ages = doc.getElementsByTagName("age");
            NodeList score = doc.getElementsByTagName("score");

            System.out.println(names.item(0).getFirstChild().getNodeValue());
            System.out.println(names.item(1).getFirstChild().getNodeValue());

            System.out.println(ages.item(0).getFirstChild().getNodeValue());
            System.out.println(ages.item(1).getFirstChild().getNodeValue());

            System.out.println(score.item(0).getFirstChild().getNodeValue());
            System.out.println(score.item(1).getFirstChild().getNodeValue());

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