车票管理系统，数据可以重文件中读取，也可以重文件中写入，增加了删除，查询，增加功能-Ticket management system, the data can be re-file read, can also be re-written to the file, increasing delete, query, increased functionality, etc.

火车票订票系统，实现订票，查询车票是否还有，以及路程间的车票。-Train ticket booking system, booking, check if there are tickets, and tickets journey between.