java - 将数组列表写入文本文件

Question

我有一个Room类的数组列表，它保存在Hostel类中，我想将此数组列表写入一个文本文件。最有效的方法是什么？

宿舍等级

public class Hostel
{
    private ArrayList < Room > rooms;
}

房间等级

abstract class Room
{

public Room(int newRoomNo, boolean newRoomEnSuite, int newRoomNights, String        newRoomBooker)
    {
        roomNo = newRoomNo;
        roomEnSuite = newRoomEnSuite;
        roomBooking = "Booked";
        roomNights = newRoomNights;
        roomBooker = newRoomBooker;
    }
}

Answer 1

来自 commons-io 的一行文字

FileUtils.writeLines(new File(path), list);