Comparing JSF Beans, CDI Beans and EJBs

There’s still a lot of confusion over the difference types of managed
beans provided in Java EE 6 with EJBs, CDI beans and JSF managed beans
all being available. This article aims to clear up some of the
differences between the them and define when to use them.
A number of people assume that there is some meaning to all these
different types of beans that they just don’t understand….