- Always use MVC.
- Don't reinvent the wheel.
- Apply automated unit tests and test harnesses at every layer.
- Develop to the specifications, not the application server.
- Plan for using Java EE security from Day One.
- Build what you know.
- Always use session facades whenever you use EJB components.
- Use stateless session beans instead of stateful session beans.
- Use container-managed transactions.
- Prefer JSPs as your first choice of presentation technology.
- When using HttpSessions, store only as much state as you need for the current business transaction and no more.
- Take advantage of application server features that do not require your code to be modified.
- Play nice within existing environments.
- Embrace the qualities of service provided by the application server environment.
- Embrace Java EE, don't fake it.
- Plan for version updates.
- At all points of interest in your code, log your program state using a standard logging framework.
- Always clean up after yourself.
- Follow rigorous procedures for development and testing.
Wednesday, February 28, 2007
Java EE best practices
A recent article in IBM developerworks discusses best practices in Java EE development. This is an update of the 2004 article on J2EE best practices. Here's the complete list: