EJB session bean

Answer
Two situations need to be taken under consideration:

Two situations need to be taken under consideration:

• remove() invoked for a stateless session:
  In this case it may not matter whether we use remove() or not as in either case, nothing is done. The management of the number of beans in cache is done by container.
• remove() invoked for a stateful session:
  Here, 
  1. the bean might be kept in cache until the session is timed out after which it is removed or 
  2. when there is memory requirement, the data is cached and bean is sent to free pool.