rsa

Test the class {@code com.android.dx.util.Bits} for Java.

实现了用Java语言实现TCP协议的传输。(TCP protocol using Java language transmission.)

YOYO播放器的源代码，是用Java语言写的，非常经典，拿出来供各位Java学习者学习(YOYO player source code is written in Java language, very classic, you out for Learners Java)

实用性代码，可以在手机等移动设备上很好的使用，可操作性强。(Usefulness of the code can be very good for use on mobile phones and other mobile devices operable.)

Jdk14Logger implements Log, Serializable.

可以在web开发中用es集群缓存数据，替代数据库，提高效率(You can use elasticsearch)

GPS定位，在android4.4下编译通过，可供参考学习(GPS positioning, android4.4 compiler, available for reference study)

java进阶书籍，非常好的英文资料，希望大家共同学习进步(Advanced Java books, very good English materials, I hope you can learn and progress together.)

全书分四个部分：基础知识、函数式数据处理、高效Java 8 编程和超越Java 8。(The book is divided into four parts: basic knowledge, functional data processing, efficient Java 8 programming and beyond Java 8.)

Reading and writing in excel files, tutorial in basic4android developers.