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1 What is the difference between find and select methods in EJB? 85
2 What is the difference between JavaBean and EJB? 94
3 What is abstract schema? 73
4 What is local interface. How values will be passed? 73
5 What is Message Driven Bean? 74
6 What are the call back methods in Entity bean? 81
7 What are the services provided by container? 84
8 How many EJB Objects are created for a Bean? 90
9 What is re-entrant. Is session beans reentrant. Is entity beans reentrant? 79
10 What is an EJB Context? 49
11 What is the difference between EAR, JAR and WAR file? 58
12 What is lazy loading? 55
13 Can i map more than one table in a CMP? 55
14 Is Decorator an EJB design pattern? 57
15 What is the difference between sessioncontext and entitycontext? 46
16 Does stateless Session bean create() method contain any parameters? 66
17 What is difference between EJB 1.1 and EJB 2.0? 59
18 Can a Session Bean be defined without ejbCreate() method? 69
19 What is the difference between ejbCreate() and ejbPostCreate 53
20 How does a servlet communicate with a JSP page? 68
21 Why does EJB needs two interfaces(Home and Remote Interface) 53
22 What are the optional clauses in EJB QL? 54
23 Can I invoke Runtime.gc() in an EJB? 59
24 What is Remote client view? 57
25 What is Local client view? 55
26 What is EJB client JAR file? 53
27 What is EJB container? 61
28 What is Deployment descriptor? 54
29 What is EJB server? 57
30 What is EJB architecture(components)? 50
31 What is the difference between Message Driven Beans and Stateless Session beans? 50
32 Brief description about local interfaces? 55
33 What is EJB QL? 48
34 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? 38
35 Can you control when passivation occurs? 50
36 Can the primary key in the entity bean be a Java primitive type such as int? 54
37 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? 46
38 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? 43
39 How EJB Invocation happens? 44
40 What are transaction isolation levels in EJB? 44
41 What are transaction attributes? 42
42 What is bean managed transaction? 44
43 Can Entity Beans have no create() methods? 44
44 What is software architecture of EJB? 52
45 What are the callback methods in Entity beans? 49
46 What are the methods of Entity Bean?What is the difference between Container-Managed Persistent (CMP) bean and Bean-Managed Persistent(BMP) ? 40
47 What are the methods of Entity Bean? 45
48 What is Entity Bean? 45
49 What is Session Bean? 52
50 What are the different kinds of enterprise beans? 44
51 What types of EJBs are available? 47
52 What is EJB? 43
 
 

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