openiec61850-1.1.1

实现了矩形求交点，并求出最小的矩形相交范围(The intersection point of rectangle is realized, and the smallest rectangle intersection range is obtained.)

说明：  Java的ppt课程和大学的Java书籍(Ppt Java, Java books and university courses)

General installation is setup.exe You can look for in the relevant directory, if you re game, then personally feel that it should be only one file fishes, that file is the installation file if you help, remember to praise Oh! ! ! ! !

说明：  管道摩擦系数的计算公式手算无法得到结果，需要借助计算机计算。结合Excel-DNA工具制作成为Excel插件，可以方便使用。(The formula for calculating the coefficient of friction of the pipe cannot be obtained by hand calculation and needs to be calculated by computer. It is easy to use with Excel-DNA tool and Excel plug-in.)

仿XP界面UI

用Java编写的人机井字棋游戏，用户可选择先手或后手，系统自动判断输赢。ps：纯属兴趣爱好。(Java JinZi Chess Game)

说明：  数据挖掘的应用，对数据集建立决策树，然后利用测试集中的数据判断测试。并给出最终的决策判断的正确率。(The application of data mining, decision tree on the data set, and then use the test to determine the test data set. The final decision making given the correct rate.)

基于网络编程，用Java写的服务器与客户端一对一聊天(Web-based programming, written in Java chat server and client one on one)

门禁系统 适合初学者学习的 控制台java程序 代码简单功能明确(Access control system suitable for beginners to learn a simple function of the console java code explicitly)

人脸检测系统（可以用于人脸检测和定位）等，很方便的，程序已通过验证(Face Detection system (can be used for face detection and location) and so on, very convenient, the program has been validated)