JDK示例改进版，请多多指教

JAVA编写的聊天工具，希望能和大家交流一下。请大家给点意见。-JAVA prepared chat tools, hopes to be able to share this. Please give points.

用Java编写的手写数字识别器源代码。能够对手写数字有很好的识别能力。经过试验，适应性还是比较强的-Using Java prepared handwritten numeral recognizer source code. Able to handwritten numeral recognition has a very good. After testing, adaptation is still relatively strong

用java编写的一个连接池的程序，效果不错，可以提高对数据库管理的效率-Using java to prepare a connection pool of the procedure, good results can improve the efficiency of database management

Java Maze3D迷宫游戏源码，浏览器上只要安上JAVA解释器就能运行，三维显示迷宫，点击 "New" 按钮开始迷宫之旅, 找不到出口的时候点击"Solve" 按钮显示红色的出口线路，点击"Clear" 清除解答。按上、下、左、右光标键可以单步找出口。-Maze Game Java Maze3D source, as long as the browser installed on JAVA interpreter will be able to run a maze of three-dimensional display, click " New" button to start journey maze, can not find time to click on the export of " Solve" button to show the exports of the red line , click " Clear" to clear answers. By up, down, left and right cursor keys can be single-step to find export.

EJB,business logic 处理程序。 主要想找一点关于加密方面的程序。-source code for EJB business logic handling , just want to find some crypto program.

利用MySQL数据库做的JAVA源程序！实现的功能不是很全，可以自己补充-MySQL database using JAVA to do the source code! Implementation of the function is not very wide, you can add their own

uav 控制程序，国外网站收集整理，分享一下-uav control procedures, collection of foreign sites, to share

java关于模板函数的程序-template function of the procedures

《Thinking in Java 4th Edition》 Source Code-"Thinking in Java 4th Edition" Source Code