Object-Oriented Analysis and Design (面向对象)
Applicability of JEE Technology (JEE技术)
Design Patterns (设计模式)
Legacy Connectivity (传统系统连接)
Enterprise JavaBeans and the EJB Container Model(EJB)
Messaging (消息驱动Bean?)
Internationalization and Localization (国际化)
Security (安全)
原文：http://www.cnblogs.com/thlzhf/p/3941223.html