What is the difference between EJB and Java beans?

EJB Interview Questions and Answers

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4. What is the difference between EJB and Java beans?

EJB is a specification for J2EE server, not a product; Java beans may be a graphical component in IDE.

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Other Interview Questions

• 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?
• 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 legal to have static initializer blocks in EJB?
• What is EJB role in J2EE?
• What are the key features of the EJB technology?
• What is the advantage of putting an Entity Bean instance from the Ready State to Pooled state
• Is there any default cache management system with Entity beans ?
• Why is ejbFindByPrimaryKey mandatory?
• What is EJB role in J2EE?
• What is the difference between a Server, a Container, and a Connector?
• More...