Turning over the BUILDING JAVA Enterprise Applications Vol i, there has been some conceptual understanding of Java's business development, and it is written on blog. Hei, I didn't know the Java at all ~
Data Layer
| ---------- Database for Popular DataS
|
| ---------- Directory Service for User / Password ETC.
|
| ---------- DataAccess
| -------------- JDBC for Database
|
| -------------- EJB Entity Beans for Database
|
| -------------- JNDI for Directory Service
Business Layer
| ---------- Business Logic
| | ------------- Stateless Session Beans
| | |
| | ------------- Stateful Session Beans
|
| ------------ Messaging
| -------------- Message-Driven Beans
Presentation Layer
