Java Reference
In-Depth Information
• What are session beans?
• What are the three types of session beans?
• Which type of session bean would you use and why?
• How do you create session beans?
Session beans lookup:
• What is JNDI and its role in Java EE applications?
• How do you configure JNDI to look up an EJB?
• What is dependency injection and its role in Java EE applications?
• How do you inject an EJB?
Session beans lifecycle:
• What is the relationship between an EJB container and an EJB component?
• What is the lifecycle of the three types of session beans?
• How do you implement session bean lifecycle methods?
• How do you use session bean asynchronous communication?
Singleton session beans:
• What is a singleton session bean?
• How do you create a singleton session bean?
• What is the lifecycle of singleton session beans?
• How do you implement singleton session bean lifecycle methods?
• How do you handle concurrent access on a singleton session bean?
JMS:
• What is JMS?
• What are the roles of the JMS participants?
MDB:
• Why do session beans make bad message consumers?
• What is the lifecycle of message-driven beans?
• How do you create a JMS message-driven bean?
