【什麽是Java EE】

suite of specifications for APIs, a distributed computing architecture, and definitions for packaging of distributable components for deployment.
a collection of standardized components, containers, and services for creating and deploying distributed applications within a well-defined distributed computing architecture

API規範套件，分布式計算架構以及用於部署可分發組件的包裝定義。
用於在明確分布式計算架構內創建和部署分布式應用程序的標準化組件，容器和服務的集合

Sun says “Java Platform, Enterprise Edition 5 (Java EE 5) defines the standard for developing component-based multitier enterprise applications “
Java EE object software needs to be partitioned into functional pieces and deployed on the appropriate hardware platforms

Sun表示：“Java平臺企業版5（Java EE 5）定義了開發基於組件的多層企業應用程序的標準”
Java EE對象軟件需要分為功能塊，並部署在適當的硬件平臺上

【J2EE的三層結構】

Java EE