反序列化多个Java对象

如何序列化整个列表呢？无需序列化列表中的每个对象。

public void searilizePlant(ArrayList<Plant> _plants) {    try {        FileOutputStream fileOut = new FileOutputStream(fileName);        ObjectOutputStream out = new ObjectOutputStream(fileOut);        out.writeObject(_plants);        out.close();        fileOut.close();    } catch (IOException ex) {    }}public List<Plant> deserializePlant() {    List<Plants> plants = null;    try {        ObjectInputStream in = new ObjectInputStream(new FileInputStream(fileName));        plants = in.readObject();         in.close();    }    catch(Exception e) {}    return plants;}

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