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Hadoop的一个教程，不错的书，值得收藏(Hadoop tutorial, a good book, worthy of collection)

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.)

是一本关于javaweb方面的书籍，里面有很多的学习案例。非常的实用(A on javaweb aspects of books, there are a lot of case study. Very practical)

file种方法使用实例。在系统当前目录下生成文件，并获得文件的属性信息，最后当JVM结束时删除所创建的文件。(The file method uses the instance. In the current directory file system, and obtain the attribute information file, delete the last when creating JVM at the end of the file.)

多文件上传下载的程序 一个功能很强的文件管理程序，可以支持文件上传下载 ，文件夹的管理等(Multi-file upload to download the program a very strong function of document management procedures, can support the file upload downloads, folder management, etc.)

《head first java》的源代码(" Head first java" source code)

说明：  Java SpringBoot整合dubbo实例(Java SpringBoot integration dubbo Example)

JavaGroupsVC will be an open source program designed to provide a multi-platform video conferencing solution. The motivation behind this project comes from the lack of platform independent solution for videoconference. Proprietary hardware and platform specific video formats requires video conferencing application to be tailored and rewritten for each computing platform

Java教程2-3章全部示例程序 源代码，可供初学者学习(Java Tutorial 2-3 Chapter Full sample program source code, for beginners to learn)

一个简单的server-client聊天程序，使用java语言，tcp协议完成(A simple server-client chat program, the use of java language, tcp agreement)