⟩ What are Java Beans?
Java Beans are usual Java classes which adhere to certain coding conventions:
► Implements java.io.Serializable interface
► Provides no argument constructor
► Provides getter and setter methods for accessing it's properties.
Java Beans are usual Java classes which adhere to certain coding conventions:
► Implements java.io.Serializable interface
► Provides no argument constructor
► Provides getter and setter methods for accessing it's properties.
The EJB container implements the EJBHome and EJBObject classes. For every request from a unique client, does the container create a separate instance of the generated EJBHome and EJBObject classes?
Is it possible to share an HttpSession between a JSP and EJB? What happens when I change a value in the HttpSession from inside an EJB?
What are the key benefits of the EJB technology?
Can you control when passivation occurs?
What is the advantage of using Entity bean for database operations, over directly using JDBC API to do database operations? When would I use one over the other?
How EJB Invocation happens?
What is Entity Bean and Session Bean ?
What is message-driven bean?
Can the primary key in the entity bean be a Java primitive type such as int?
What is EJB QL?