这是一篇介绍Java IO流的文章，我觉得挺好的。只要看懂了其中的例子，基本就可以掌握Java IO流了...

Hibernate_3.2.0_符合Java习惯的关系数据库持久化-Hibernate_3.2.0_ custom relational database in line with Java Persistence

j2me

聊天室源码,包含服务器端和客户端.给没有写过聊天室的朋友一个参考.-chat rooms source, including server and the client. No wrote to the chat room friends as a reference.

聊天程序-Chat program

基于arcims地理信息系统示例~！实现了大部分的地图操作，包括地图的放大、缩小、全图、鹰眼、漫游等等。-based on ArcIMS GIS example ~! To achieve most of the operational map, including the map to zoom, the whole map, Hawkeye, roaming and so on.

一个JAVA编写的下雪的场景。-prepared in a JAVA snow scenes.

用java编写的一个俄罗斯方块游戏，人所共知，无需多介绍-Using java prepared a Tetris game, known to all, no more than introduce

设计一个软件的启动过程界面，有软件的名称、版本信息等，有软件公司的主标识、公司名名称，附带有对软件使用者的问候。用动画实现程序启动的过程，彩色进度条表示出程序启动的百分比。模仿微软公司的四色旗帜标志，富有动感，色彩鲜艳。可将图形用于软件的启动过程中，增加软件的人性化，是软件界面更美观。-design of a software startup process interface, the name of the software, version information, software companies as the main logo, company name names, a pair of fringe software users greetings. Using animation to achieve startup process, the progress of color expressed as a percentage of commencement of proceedings. Copying Microsoft"s four-color banner signs, exciting and colorful. Graphics can be used to start the process of the software, add software user-interface software is more attractive.

at least five number sort and use bubble sort to implement in Java.