Migrating from EJB 2.x to EJB 3.0 by Sangeetha S. and Subrahmanya S. V. 01/23/2007 The EJB 3.0 specification makes programming much simpler. It makes the container do more work and the developers do less work. It decreases the number of programming artifacts for developers to provide, eliminates the requirement to implement ejb<method> callback methods, and reduces the complexity of the e