KNN

前端表格插件测试，实现数据合并，汇总，跨表求和，动态公式计算(Front-end table plug-in testing, data merging, aggregation, cross-table summation, dynamic formula calculation)

自己写的二维条形码的读取和输出，即可以根据信息输出为二维码，也可以读出二维码的信息。是一个工程文件，用eclipse即可运行。(Write their own 2D bar code read and output according to the information output for the two-dimensional code can also read out the two-dimensional code information. Is a project file to run, with the eclipse.)

Java串口的一些程序，对初学者有意哦！大家看看吧(Some of the procedures Java serial port, for beginners to oh! Everybody have a look.)

说明：  用java语言实现拼图功能，要求在eclipse环境下运行(Puzzles with java language features required to run under eclipse)

用gnu.io.rxtx写的一个串口助手(A serial port assistant written in gnu.io.rxtx)

用java awt界面实现的一个打字小游戏。(Interface with java awt achieve a typing game.)

import java.lang.annotation.RetentionPolicy .

dwr工具类，属于对于dwr的封装，希望对大家有帮助，得到大家支持，谢谢(dwr tools, belonging to dwr package, we hope to help, to get everyone to support, thank you)

充分理解对象的创建和使用过程，并对构造器有一定的了解。(Fully understand the object to create and use the constructor I have some knowledge about.)

实现了电子宠物系统，电子宠物日记，查询，登陆等一系列的功能(Electronic pet system, the electronic pet diaries, queries, landing a series of functions)