Career Center Interview NotesThis article provides EJB Interview Questions . For more Interview Questions / Answers related to Java, click on links provided at the end of each question set.
1. How EjbQL ara impemented when it is necessary?
2. what do you mean by shared transactional state data maintained by EJB?
3. what do you mean by CMP & BMP & what is basic difference between them?
4. where are databese maneged by Entity bean is implemented & how many instance of the Entity bean
for each client is maintained by Ejb container?please describe ths question conceptually?
5. why BMP class returns null & why CMP implementation class reurns instanceof PK class?
6. what do you mean by EJB client & EJB Server ?
7. where home interface resides?remote mechine or client machine?
8. How ejb,jsp,Oracle communicates in building a business Application?
9. why we need the transactions?
10. What is an EJB Context?
11. how to transfer a bulk amount of tabular data from a jsp page to an ejb thru a servlet and viceversa
12. what is difference between servlet and jsp?
13. what is requestdespatcher?
14. how garbage collector works?
15. what is business delicate ? Use ? and what is session faced ? use ?
16. what is design pattern ? use ?
17. Give a scenario where you have used stateless session beans and why was it necessary?
18. What are the call back methods in Session bean?
19. What is Session Bean. What are the various types of Session Bean?
20. What is the difference between normal Java object and EJB?
