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1 What is the difference between find and select methods in EJB? 146
2 What is the difference between JavaBean and EJB? 166
3 What is abstract schema? 133
4 What is local interface. How values will be passed? 135
5 What is Message Driven Bean? 134
6 What are the call back methods in Entity bean? 142
7 What are the services provided by container? 148
8 How many EJB Objects are created for a Bean? 147
9 What is re-entrant. Is session beans reentrant. Is entity beans reentrant? 144
10 What is an EJB Context? 104
11 What is the difference between EAR, JAR and WAR file? 126
12 What is lazy loading? 104
13 Can i map more than one table in a CMP? 111
14 Is Decorator an EJB design pattern? 104
15 What is the difference between sessioncontext and entitycontext? 100
16 Does stateless Session bean create() method contain any parameters? 122
17 What is difference between EJB 1.1 and EJB 2.0? 137
18 Can a Session Bean be defined without ejbCreate() method? 144
19 What is the difference between ejbCreate() and ejbPostCreate 100
20 How does a servlet communicate with a JSP page? 139
21 Why does EJB needs two interfaces(Home and Remote Interface) 111
22 What are the optional clauses in EJB QL? 105
23 Can I invoke Runtime.gc() in an EJB? 113
24 What is Remote client view? 104
25 What is Local client view? 102
26 What is EJB client JAR file? 108
27 What is EJB container? 118
28 What is Deployment descriptor? 110
29 What is EJB server? 113
30 What is EJB architecture(components)? 114
31 What is the difference between Message Driven Beans and Stateless Session beans? 121
32 Brief description about local interfaces? 115
33 What is EJB QL? 103
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? 87
35 Can you control when passivation occurs? 115
36 Can the primary key in the entity bean be a Java primitive type such as int? 118
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? 103
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? 103
39 How EJB Invocation happens? 102
40 What are transaction isolation levels in EJB? 95
41 What are transaction attributes? 95
42 What is bean managed transaction? 94
43 Can Entity Beans have no create() methods? 115
44 What is software architecture of EJB? 107
45 What are the callback methods in Entity beans? 104
46 What are the methods of Entity Bean?What is the difference between Container-Managed Persistent (CMP) bean and Bean-Managed Persistent(BMP) ? 90
47 What are the methods of Entity Bean? 118
48 What is Entity Bean? 100
49 What is Session Bean? 99
50 What are the different kinds of enterprise beans? 93
51 What types of EJBs are available? 111
52 What is EJB? 97
 
 

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