We can annotate methods in session beans so that they are automatically invoked by the EJB container at certain points in the bean's life cycle. For example, we could have a method invoked right after the bean is created or right before it is destroyed.
Before explaining the annotations available to implement life cycle methods, a brief explanation of the session bean life cycle is in order. The life cycle of a stateful session bean is different from the life cycle of a stateless or singleton session bean.
A stateful session bean life cycle contains three states: Does Not Exist, Ready, and Passive:
Before a ...
