java-20

说明：  针对施工单位开发的一款管理app，实现了建筑工程流程的精细化管理，功能模块包括过程控制、成本控制和人力资源管理、工艺标准、常见问题解决方案等。(A management app for the development of the construction unit)

一个简单的网上商城系统 用到JSP +mysql+ssh(JSP+mysql+ssh)

说明：  java版本 内网穿透，可以用于微信开发，vpn搭建(Java version of Intranet penetration, can be used for Wechat development, VPN building)

用sping mvc注释的邮件功能,文件内有源码(Comment by sping mvc mail function, the source documents)

Open S S L Message Digest J D K extends Message Digest implements Cloneable.

用JAVA写的带通滤波代码，实现思路很简单，没有采用各种数字滤波的方法。而是通过傅里叶变换到频域，将要求外的频率均置0，再逆傅里叶变换得到的。效果还不错。(Written using JAVA bandpass filtering code to achieve the idea is very simple, without using a variety of digital filtering approach. But through the Fourier transform to the frequency domain, the frequency requirements are set to 0, then the inverse Fourier transform. Results were pretty good.)

thinking in java 是一部经典的java书籍，无论是是对于初学者还是有一定开发经验的java程序员来说，他都是一不好说，称得上是一部经典。(thinking in java java books is a classic, whether for a beginner or have some experience in the development of java programmers, he is a hard to say, be regarded as a classic.)

radix_sort 排序算法的Java实现(radix_sort)

JBuilder里监控内存使用情况的插件(JBuilder Memory Lane control the use of plug-in)

Example of RSA Key on Java