android 使用AudioRecord 录音，使用AudioTrack 播放，

用 Thread 子类和 Runnable 实现类的方法编写多线程类，线程中循环 100 次，每次循环 中线程休眠 10 秒内的任意时间，休眠完成后打印出线程名称、休眠时间和第几次执行。

moonhotel 可为宾客预定房间,可动态的进行与房间信息相关的所有操作(moonhotel guests can book rooms, the room can be carried out dynamic information related to all operations)

毕向东Java视频代码,学习Java视频的时候可以参考学习一下，代码很全，数据都在。

ebook Java_Programming for the Absolute_Beginner.rar

汽车销售系统 用struts2+hibernate3实现(Car sales system using struts2+hibernate3)

说明：  自己动手写搜索引擎第三章代码，随书光盘中的内容，整个太大，只能分别上传(Chapter code search engine to write himself, with the contents of the CD-ROM, the whole is too big, we were only able to upload)

hadoop:Nutch集群平台，分布式编程模式，让Nutch可以自动在普通机器组成的集群中以并行方式分布执行-hadoop : Cluster Nutch software platform, distributed programming model, Let Nutch software can be automatically composed of general machinery cluster parallel to the implementation of distribution methods

java 教程源马-java course source horse

说明：  leetcode高频面试笔试题150+道，亲身总结。(Leetcode high-frequency interview written questions 150 + personal summary.)

zxing二维码扫描的源代码,包括zxing核心包的jar和ZXingDemo源码,非常详细.(zxing dimensional code scanning of source code, including zxing core package jar and ZXingDemo source, very detailed.)