S2SH_toupiao

实时正弦曲线演示，是用mian作主方法的，符合编程规则(Real-time sine curve shows)

国密算法SM2算法实现和Demo,主要是帮助大家编写SM2程序(Implementation of SM2 algorithm and Demo)

calculate catalan number

麦咖啡升级中心，升级时直接运行此软件，链接至网络即可，不必再到官网下载，节省大量时间。(escalation center, upgrade the software run directly, link to the network and not network officials then downloaded, save a lot of time.)

工具管理系统提供为每个系统做统一的整合，并且理解整个系统(The tool management system provide unified integration for each system.)

用JAVA实现一般背包问题（附院码）比较实用(Knapsack problem)

这个程序实现快递寄递业务的一体化业务查询、浏览、导入和打印功能。(This program implements integrated express delivery services business inquiries, browse, import and print functions.)

Line Iterator implements Iterator Source Code for Andriod.

java写的一个多线程排序实验，文件小，效果高。(java write a multithreaded scheduling experiment, the paper, and got high.)

一种靠java applet 传递数据的交互web聊天工具,拥有画图和聊天2种功能(One kind of data transfer by the java applet interactive web chat, drawing and chat with 2 functions)