IO流(对象的序列化)

来源：互联网发布：mba智库百科知乎编辑：程序博客网时间：2024/06/06 03:11

import java.io.*;class ObjectStreamDemo{    public static void main(String[] args) throws Exception    {        // writeObje();        readObj();    }         public static void readObj()throws Exception    {        ObjectInputStream ois = new ObjectInputStream(new FileInputStream("a-obj.txt"));                 Person p = (Person)ois.readObject();                 System.out.println(p);        ois.close();    }         public static void writeObje()throws IOException    {        ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("a-obj.txt"));                 oos.writeObject(new Person("lisi",39));                 oos.close();    }}

import java.io.*;class Person implements Serializable{    String name;    int age;    Person(String name,int age)    {        this.name = name;        this.age = age;    }    public String toString()    {        return name+":"+age;    }}

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