序列号测试 - wtdig/study GitHub Wiki

import com.wt.test.*;

import java.io.*;
import java.util.*;

public class MyDemo {
    //序列化
    public static void seria() throws IOException {
        List<Person> list1 = new ArrayList<>();
        List<Student> list2 = new ArrayList<>();
        Person p1 = new Person();
        Person p2 = new Person();
        Student s1 = new Student();
        s1.setName("ss");
        Student s2 = new Student();
        s2.setName("dd");
        Student s3 = new Student();
        s3.setName("ff");
        p1.setName("qq");
        list2.add(s1);
        list2.add(s2);
        list2.add(s3);
        p2.setName("ww");

        p1.setStudents(list2);
        p2.setStudents(list2);
        list1.add(p1);
        list1.add(p2);

        ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("C:\\Users\\wt\\Desktop\\temp.data"));
        oos.writeObject(list1);
        oos.close();
    }

    //反序列化
    public static void deSeria() throws IOException, ClassNotFoundException {
        ObjectInputStream ois = new ObjectInputStream(new FileInputStream("C:\\Users\\wt\\Desktop\\temp.data"));
        List<Person> test = (List<Person>) ois.readObject();
        ois.close();
        test.forEach(item -> {
            System.out.println(item.getName());
            item.getStudents().forEach(it -> {
                System.out.println(it.getName());
            });
            System.out.println(">>>>>>>>>>");
        });
    }

    public static void main(String[] args) {
        try {
            seria();
            deSeria();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
    }
}


package com.wt.test;

import java.io.Serializable;
import java.util.List;

public class Person implements Serializable {
        private String name;
        private List<Student> students;

        public String getName() {
            return name;
        }

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

        public List<Student> getStudents() {
            return students;
        }

        public void setStudents(List<Student> students) {
            this.students = students;
        }
    }

package com.wt.test;

import java.io.Serializable;

public class Student implements Serializable {
        private String name;

        public String getName() {
            return name;
        }

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