序列化和反序列化实例

public class User implements Serializable {


    private static final long serialVersionUID = 5584689761718449673L;

    private int id;
    private String name;

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}

public class SerializableText {

    private static String filename = "D:/xunleihua.txt";

//序列化
    public static void writeO(Serializable s){
        try {
            ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(filename));
            oos.writeObject(s);
            oos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
//反序列化
    public static Object readO(){
        Object o = null;
        try {
            ObjectInput oi = new ObjectInputStream(new FileInputStream(filename));
            o = oi.readObject();
            oi.close();
        } catch (IOException | ClassNotFoundException e) {
            e.printStackTrace();
        }
        return o;

    }
}

//测试

   User u = new User();
        u.setId(1);
        u.setName("Lawrence");
//        SerializableText.writeO(u);
//        SerializableText.readO();