Calculator0.9

Listens for incoming RFCOMM connection for the headset / handsfree service.

图形设计跟随趋势，而当前的趋势是到处使用渐变，除了这个风尚，渐变可以用来创建反射和淡出这样的高级效果。(Graphic design to follow the trend, and the current trend is everywhere to use gradients, in addition to the fashion, the gradient can be used to create such a high-level reflection and fade out effect.)

说明：  一个用java编写的词法分析器！其主要运用和来源是编译原理词法分析器的课程设计！(Using java prepared a lexical analyzer! Its main source of application and compiling principle of curriculum design lexical analyzer!)

微网能量优化调度管理的数据库封装，用JAVA语言实现(Micro-grid energy optimization scheduling management database package, using JAVA language)

Class Hierarchy Traveler Source Code for Andriod.

调用hbase的代码，可以进行动态创建表，查询修改删除记录。(Call the the hbase code can dynamically create tables, query modification delete records.)

This class implements a launcher shortcut for directly accessing a single account for Andriod.

说明：  tomcat源码解析过程文档，详细说明了tomcat从启动到最后结束中间类和方法的调用过程，对于研究java底层源码的启动很有好处。(Tomcat source code parsing process document, detailed description of Tomcat from start to end the call process of intermediate classes and methods, for the study of Java underlying source code start is very helpful.)

实现了windows计算器所有功能，非常之好，非常之妙。当年就靠它了(Calculator has all the features of windows, very good, very wonderful. Then relied on the)

机器学习中Perceptron算法统计词频(The statistics of words of perceptron algorithm in Machine Learning)