深入理解Java序列化与反序列化

public class Elephant implements Serializable {
    private String name;
    private String age;
    private String sex;
  
    public Elephant(String name, String age, String sex) {
        this.name = name;
        this.age = age;
        this.sex = sex;
    }

    @Override
    public String toString() {
        return "Elephant{" +
                "name='" + name + '\'' +
                ", age='" + age + '\'' +
                ", sex='" + sex + '\'' +
                '}';
    }

    public String getName() {
        return name;
    }

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

    public String getAge() {
        return age;
    }

    public void setAge(String age) {
        this.age = age;
    }

    public String getSex() {
        return sex;
    }

    public void setSex(String sex) {
        this.sex = sex;
    }
}

public class ElephantTest {
    public static  final  String PATH = "D:\\elephant";
    static  void write(Elephant elephant){
        //创建对象输出流
        try( ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(PATH))) {
           //写入对象
            out.writeObject(elephant);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    static Object read(){
        //创建对象输出流
        try( ObjectInputStream in = new ObjectInputStream(new FileInputStream(PATH))) {
            //写入对象
           return in.readObject();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public static void main(String[] args) {
        Elephant elephant7 = new Elephant("小红象", "18", "男");
        write(elephant7);
      	Elephant elephant1 = (Elephant) read();
      	System.out.println(elephant1);
        System.out.println(elephant7);
        System.out.println(elephant1==elephant7);
    }
}