我有Room
類,這是在Hostel
類舉行的ArrayList,我想此ArrayList寫入一個文本文件中。什麼是最有效的方法?寫的ArrayList到文本文件
旅館類
public class Hostel
{
private ArrayList <Room> rooms;
}
室類
abstract class Room
{
public Room(int newRoomNo, boolean newRoomEnSuite, int newRoomNights, String newRoomBooker)
{
roomNo = newRoomNo;
roomEnSuite = newRoomEnSuite;
roomBooking = "Booked";
roomNights = newRoomNights;
roomBooker = newRoomBooker;
}
}
請參閱http://docs.oracle.com/javase/1.4.2/docs/api/java/io/FileWriter.html – 2011-12-19 19:04:25
創建一個方法,將一個房間寫入作爲參數傳遞的文件。然後打開一個文件,使用'for'循環遍歷數組列表並寫入每個'Room'實例,然後關閉文件。如有疑問,請使用谷歌。 – 9000 2011-12-19 19:05:22