一个JAVA小程序,请大家多多指教,看有什么问题的

航空定票系统：户端功能模块：用户登录模块，用户注册模块，航班查询模块，客户订票模块，服务器端功能模块：添加航班计划模块，删除航班计划模块，添加飞机机型模块，删除飞机机型模块， 统计在线用户信息模块，统计注册用户信息模块 统计订票信息模块 加载机型信息模块 系统维护模-Airline tickets system: households client functional modules: User Login Module, the user registration module, flight query module, customers booking module, server-side functional modules: Module to add flight plans, flight plan to delete module, add the aircraft models module, delete the aircraft model module, statistics module online user

java传真tif格式转换(包括一些基本图片类型的转换)-java tif confirm

聊天室的完整代码，可以自己修改称自己的程序，-Chat rooms complete code that can modify their own procedures,

C:Documents and Settings ew桌面新建文件夹whiledatatype.rar-C : Documents and Settings new Desktop New Folder while datatype.rar

java算法大全，非常实用，讲解非常清晰，易懂易学-java algorithm Daquan, very useful to explain the very clear and easy to understand and easy to learn

一个JAVA编写的排序源代码,比较简单,希望大家不要见笑,上课可以用-a ranking prepared by the Java source code, relatively simple, hoping that they will not laughed at, the school can use

java的小程序，适合初学者学习java，是java书后的习题答案-small java program, suitable for beginners to learn java, is a java after the exercise answer

用JAVA实现的模拟内存管理程序，可以模拟操作系统动态管理内存，主要采用首次适应算法以及最佳适应算法。-The realization of the simulation with JAVA memory management procedures, the operating system can simulate the dynamic management of memory, the main algorithm used to adapt the first and best adaptation algorithm.

一个使用Java语言开发，以国内开源Web MVC框架EasyJWeb作系统引擎的Java Web应用系统-a Java language development, domestic revenue EasyJWeb Web MVC framework for the engine system of Java Web Application System

基于java的文件管理系统 能实现包括文件的创建、删除、查找等功能-Java-based document management system to achieve, including file creation, deletion, search and other functions