Use the Externalizable interface when you need complete control over your bean's serialization (for example, when writing and reading a specific file format).
To use the Externalizable interface you need to implement two methods: readExternal and writeExternal. Classes that implement Externalizable must have a no-argument constructor.
What is EJB role in J2EE?
What is the difference between EJB and Java beans?
What is session Facade in EJB?
How many enterprise beans?
What are the key features of the EJB technology?
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?
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