Answer / Mithilesh Prasad

Enterprise JavaBeans (EJB) roles in J2EE are predefined roles that define the responsibilities of different components during the life cycle of an EJB. The three main roles are Session Bean, Entity Bean, and Message-driven Bean.

Explain the architectural relationship between JavaBeans and JTA?

1 Answers  

---

What is difference between stateless and stateful?

1 Answers  

---

Where is ejb used?

1 Answers  

---

Define Initial Context?

1 Answers  

---

What is an ejb container?

1 Answers  

---

What is @injectmock?

1 Answers  

---

What is mdb in ejb?

1 Answers  

---

What are the system services of ejb container?

1 Answers  

---

A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose?

1 Answers  

---

What are the benefits of ejb?

1 Answers  

---

What is the advantage of using entity bean for database operations, over directly using jdbc api to do database operations?

1 Answers  

---

Is state maintained by a Stateless bean?

1 Answers  

---