WEB_Chat_Room

说明：  jianli muban gezhogn xiangxing

说明：  基于matlab平台，产生4FSK,2PSK数字信号(Generate 4FSK, 2PSK digital signal based on MATLAB platform)

说明：  源码和依赖的jar包都在压缩文件里 test目录下有行情的demo，交易部分的API还没完全做好，可以连上前置和登录 这个java接口算是预览版吧(Source code and dependent jar packages are all demo in the test directory of the compressed file. The API of the transaction part is not yet complete. You can connect the pre-and login java interface as a preview version.)

oop on java based sample task

ejemplos de herencias en java

说明：  作为RE正则表达式的一个最基本，又揽括了大部分知识点的例子程序。把程序运行一遍，然后再根据运行结果理解程序，将会迅速掌握re知识点。(As a basic regular expression RE, embrace include most of the knowledge of the example program. To run the program again, to understand the program and then run the results will quickly grasp the re knowledge.)

说明：  ssh框架实现仓库管理系统。有代码和文档(The ssh framework implements a warehouse management system. Have code and documentation)

同人类任何语言一样，Java为我们提供了一种表达思想的方式。如操作得当，同其他方式相比，随着问题变得愈大和愈复杂，这种表达方式的方便性和灵活性会显露无遗。(Like any human language, Java provides us with a way of expression. If the operation is properly compared with other means, as the issues become larger and more complex, the expression of the convenience and flexibility will be shown.)

Arguments object of g(){f()} should not be null.

影院电影票浏览、订票、留言等管理，数据库为mysql(Cinema ticket browsing, booking, message management, database for MySQL)