java序列化與反序列化，將集合寫入文本同時一個一個讀出來

package com.zdy.test;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.List;

public class Test1 {

    private static Person person;

    public static void main(String[] args) {
        List<Person> list = new ArrayList<Person>();
        for (int i = 0; i < 10; i++) {
            person = new Person();
            person.setAge("2" + i);
            person.setName("我是誰" + i);
            list.add(person);
        }
        writeObjectToFile(list);
        List<Person> lists = readObjectFromFile();
        System.out.println(lists.get(0));
        System.out.println(lists.size());
    }

    public static <T> void writeObjectToFile(List<T> list) {
        File file = new File("test.dat");
        FileOutputStream out;
        try {
            out = new FileOutputStream(file);
            ObjectOutputStream objOut = new ObjectOutputStream(out);
            objOut.writeObject(list);
            objOut.flush();
            objOut.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    @SuppressWarnings("unchecked")
    public static <T> List<T> readObjectFromFile() {
        File file = new File("test.dat");
        FileInputStream in;
        List<T> object = null;
        try {
            in = new FileInputStream(file);
            ObjectInputStream objIn = new ObjectInputStream(in);
            object = (List<T>) objIn.readObject();
            objIn.close();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        return (List<T>) object;
    }
}

package com.zdy.test;

import java.io.Serializable;

public class Person implements Serializable {
private String name;
private String age;

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;
}

@Override
public String toString() {
    return "Person [name=" + name + ", age=" + age + "]";
}

}
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