代码~

说明：  谷粒学院后台接口，谷粒学院是一个B2C模式的职业技能在线教育系统，分为前台用户系统和后台运营平台(Cereal college background interface, cereal college is a B2C mode of vocational skills online education system, divided into the foreground user system and background operation platform)

自己写的一个java的QR二维码识别程序，支持摄像头。适合java初学者研究使用(Himself wrote a Java QR two-dimension code recognition program, and support the camera. Suitable for Java beginners research use)

DE算法作为一种新的进化算法被广泛关注，它的改进算法层出不穷，但最经典的莫过于JADE(DE algorithm has been widely concerned as a new evolutionary algorithm. Its improved algorithms emerge in an endless stream, but the most classic is JADE.)

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Hope it is useful. feedbacks are welcome

Java的学习笔记，对于初学者来说这是个重点，上手会比较容易(Java learning classical notes)

很全，有数据库，前台后端，功能非常强大，自己能看明白(Very full, there is a database, the back end of the front desk.)

说明：  一个很经典也很简单界面编程示例希望大家好好学习(a classic is also very simple interface programming examples hope we can learn from)

目的是通过一个简单多用户文件系统的设计，加深理解文件系统的内部功能和内部实现。(The purpose of this experiment is to design a simple multi-user via the file system, deepen the understanding of the internal functions and internal file system implementation.)

一个基于JXTA的P2P文件搜索系统的实现,对于研究p2p搜索算法很有帮助.(Based on JXTA)