java实现的网上购物系统，使电子商务的重要设计内容。可以很方便的实现对用户、商铺、商品、公司等信息的检索和更新。-achieve the online shopping system that allows the design of e-commerce content. It is very convenient to its customers, shops, goods, such as information retrieval and updating.

主要介绍了基于j2me的电子邮件系统的开发流程与原理，包括手机客户端的界面设计，同时详细介绍了javamail的邮件工作原理和相关命令的阐述-Introduces the development process and principles of e-mail system based on j2me, mobile client interface design, detailed javamail mail works and associated command described