Beetl2.4 使用说明书 使用说明书 20160614

说明：  一个Java的小程序 自己做的学生作业 换代码(A Java applet of the students do their own work-for-code)

一种蓝牙定位的java程序，功能完善，实现质心定位，三边定位和最小二乘算法，通过布置蓝牙的位置，定位精度在0.5M左右(A bluetooth positioning Java program, the function is perfect, realize the centroid localization, trilateral positioning and least squares algorithm, through the arrangement of the position of the bluetooth, positioning accuracy at about 0.5 M)

很好的酒店管理系统 (best software )

java 计算器应用程序,适合新手对java se的入门开发学习。是个不错的demo(Java calculator application, suitable for entry to develop java se novice learning. Is a good demo )

用java编写的聊天室，里面包括客户端和服务端，功能齐全，并有简单的GUI设计(Prepared using java chat room, which includes client and server, fully functional, and a simple GUI design)

说明：  这是关于servlet，jsp，mvc，hibernate等整合的一个教程(This is a tutorial on servlet, jsp, mvc, hibernate, etc.)

一些基本的枚举的用法例子介绍，程序都可以运行的，开发的工具是eclipse(Usage examples to introduce some basic enumeration, the program can be run, the development of tools is the eclipse )

Example of RSA Key on Java

常用类库 包括vector 几何与映射 Stringdokenizer等(Common library)

c2dm send the request in server