The article shows how resources which normally have to be ‘looked up’ by the developer writing extra lines of code, can be instead injected into the code using annotations and support from the container. App servers such as Oracle App Server 10g 10.1.3 and JBoss 4.0.1 currently support this functionality, but expect it to be supported in all app servers once we get to Java EE5.0 runnning on Java 5.0 within the next year or so.