数组列表写入文本文件来 [英] Writing arraylist to textfile

问题描述

我有类客房这是在课堂上举行的ArrayList 旅馆，我还想写此ArrayList到文本文件。什么是这样做的最有效的方法？

旅馆类

 公共类旅馆
{
    私人的ArrayList＆LT;客房＆GT;室;
}
 

室等级

 抽象类房
{公众间（INT newRoomNo，布尔newRoomEnSuite，INT newRoomNights，弦乐newRoomBooker）
    {
        roomNo = newRoomNo;
        roomEnSuite = newRoomEnSuite;
        roomBooking =预订
        roomNights = newRoomNights;
        roomBooker = newRoomBooker;
    }
}
 

解决方案

只有一行的commons-io的

  FileUtils.writeLines（新文件（路径），清单）;
 

I have an arraylist of class Room which is held in class Hostel, i would like to write this arraylist to a text file. What is the most efficient method of doing so?

Hostel Class

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

Room Class

abstract class Room
{

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

解决方案

A one-liner from commons-io

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

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