Which statement describe about Message-Driven Beans is correct? (Choose one)
a. Message-Driven Beans are stateful
b. An EJB 3.0 message-driven beans can itself be the client of another message-driven beans
c. The bean mediates between the client and the other components of the application, presenting a simplified view to the client.
Which is a valid PostConstruct method in a message-driven bean class?
a. @PostConstruct
a. public boolean init() { return true; }
b. @PostConstruct
b. private static void init() {}
c. @PostConstruct
c. private void init() {}
d. @PostConstruct
d. public static void init() {}
Which statement about an entity instance lifecycle is correct?
a. A new entity instance is an instance with a fully populated state.
b. A detached entity instance is an instance with no persistent identity.
c. A removed entity instance is NOT associated with a persistence context.
d. A managed entity instance is the instance associated with a persistence context.