文件格式转换

一个用Java开发的Web邮局，可以使用户通过浏览器访问他们的POP/SMTP服务器，支持多种语言，MIME和虚拟域名！ (Java development using a Web mail allows users browser access to their POP/SMTP server, supports multiple languages, MIME, and virtual domain names!)

这个是我做的一个关于手机上的I2C的移植程序经验总结，虽然没有直接程序，但是总结里将每一步都说明的很详细，大概的流程步骤都有！这个是在ubuntu系统下，也有部分Java程序(This is what I do a mobile phone on the I2C of the transplant experience summary, although there is no direct procedures, but the summary will be every step of the very detailed, probably the process steps are! This is in the Ubuntu system, there are also part of the Java program)

说明：  这是一个酒店管理系统，java编写的，里面有源码和分析需求，供大家参考！(This is a hotel management system, java prepared, there are source and analysis of needs, for your reference!)

说明：  s7-200模块图 300的PLC模块和cup的电气图纸设计图库(S7-200 module diagram)

最新的SUN认证的JAVA 6程序员学习向导，包括JAVA基本语言知识，考点，常见题型等。(The latest SUN certification JAVA 6 programmers learning guide, including basic knowledge of the language JAVA, test points, and other common questions.)

说明：  spring security 自定义配置 docker 使用文档(Spring security custom configuration docker usage documentation)

eclipse快捷键使用方式，非常齐全，绝对的值(eclipse shortcut keys used, very well equipped, the absolute value of the)

基础练习，这是Java入门课程的基础练习。包括了许多的知识点(Basic exercises, which are the basic exercises of the Java introductory course. It includes many knowledge points.)

一个java程序，介绍rmi的,有助于了解rmi( a code of java,)

An immutable hash-based multiset. Does not permit null elements.