luntan

按钮调节,java工程项目，源代码，编译环境jbuilder，装入项目即可执行(button regulation, java projects, the source code, compile environment jbuilder. Loading project can be executed)

java代码写的大数操作，主要实现大数的加减乘除。。值得一看。。(java code written in large numbers operation, the main achievement of large numbers of arithmetic. . Worth a visit. .)

spring demo as spring boot

说明：  java api文档 中文版的 适合刚入门的 编程时可查阅相关内容(The Chinese version of the Java API document can be consulted when programming for beginners)

一个自己写的Hadoop MapReduce实例源码，网上看到不少网友在学习MapReduce编程，但是除了wordcount范例外实例比较少，故上传自己的一个。包含完整实例源码，编译配置文件，测试数据，可执行jar文件，执行脚本及操作步骤。学习完此例子后，你能掌握MapReduce基础编程，及如何编译Java文件，打包jar文件，编写shell执行脚本等。后续学习还可以参看本人的CSDN博客，如有问题也可以在线为你解答，不过本人也学习Hadoop不足一年，现学现卖而已，也可能力不能及，有些难的也很有可能不懂。希望能够帮助到学习MapReduce的朋友(A written Hadoop MapReduce example source code line to see a lot of friends in the learning MapReduce programming, but in addition to the wordcount example instance is relatively small, so upload your own. Contains the full example source code, the compiler configuration files, test data, executable jar file, execute the script and steps. Learn this example, you can grasp the the MapReduce basis of programming, and how to compile Java files, packaged jar file, write shell execute the script. Follow-up study can also see my CSDN blog if the problem is also available online for you to answer, but I also learned that for Hadoop less than a year, buying and learning it can also power can not and some difficulty also likely to understand . Want to be able to help to learn MapReduce friend)

java平台下的FFT变换，实现通过RR间期计算HRV频域分析(FFT transform java platform, to achieve a frequency domain HRV calculated by the RR interval analysis)

支持在图片上绘图的和取色器的涂鸦板默认是一张全白图片上绘制，支持更换涂鸦的画布图片，支持橡皮擦功能，支持多种画笔颜色，支持画笔取色器，可以清屏，也可以保存当前涂鸦后的画布到图片文件。(Support in the picture on the drawing and color picker graffiti board default is a white image rendering, support the replacement of graffiti canvas pictures, support the eraser function, supports a variety of brushes color, brush picker support, to clear the screen, you can also save the current after the graffiti canvas to the picture file.)

Java SMTP协议电子邮件传送剖析 很好的适用程序(agreement Java SMTP mail delivery analysis procedures for the application of good)

用java JSP实现的一个小型网站，界面简洁，功能齐全，适合入门的初学者(With java JSP to achieve a small site, simple interface, complete functions, suitable for beginners to get started)

tomcat 分发tomcat 分发tomcat 分发tomcat 分发tomcat 分发tomcat 分发tomcat 分发tomcat 分发(tomcat distributiontomcat distributiontomcat distributiontomcat distributiontomcat distributiontomcat distributiontomcat distribution)