JSP,EJB INTERVIEW Questions asked in MNCs

aparna3032 · 16-02-06, 03:55 AM

Dear Friends, these questions were asked by Covansys,and Intervowen companies for 2+ yrs experince guys.

Can anybody answer these questions ?

1. I have a file of very very large file size at client side, and I have a JSP page. Using this JSP page, if I want to send the file to a servlet (this servlet will store it somewhere), what is the best method to do it ?

2. What is the difference between normal beans and EJBs ?

3. How system level services in EJBs are managed ? And tell about Deployment Descriptor and the steps involved in it ?

4. What are various types of EJBs ?

meenakshisekar · 16-02-06, 06:29 AM

. What is the difference between normal beans and EJBs ?

normal beans:for client side front page designing.

ejb:for server side scripting.

solletilakshmi · 16-02-06, 12:02 PM

What are various types of EJBs ?

EJB stands for enterprise java bean.EJB's are used to implement the business logic.The various types of EJB's are

1) StateFul Session Bean

2) StateLess Session Bean

3) Message Driven Bean

4)Bean managed persistent Entity Bean(BMP)

5) Container Managed persistent Entity Bean(CMP)

Session Beans are used to implement the business procedures.

Entity Beans are used to access the data from database.

swathi4_9 · 17-02-06, 06:14 AM

EJB stands for entity java beans.

Actually v hav 3 types of beans.

1.Session Beans

2.Entity Beans

3.Messagedriven Beans

and session beans r classified as stateful n stateless

entity beans as CMPB n BMPB depending on persistence of data

solletilakshmi · 17-02-06, 11:25 AM

2. What is the difference between normal beans and EJBs ?

A "normal" bean is just a class that has a no arg constructor and that follows certain naming conventions for its getter and setter methods. An EJB is something totally different. First of all, EJBs must run in an EJB container. These containers are provided by enterprise servers. There are various types of EJBs: session beans, entity beans, message driven beans and within each type there are variations. For example, session beans can be stateful or stateless, entity beans can be CMP or BMP. The various types are coded differently. In the case of entity CMPs, many methods are just defined as abstract and implemented by the container. The topic is rather complicated and there are entire books devoted to EJBs.

deepesh · 13-06-07, 01:56 PM

Deployment Descriptor is nothing but a xml file in which we write our application info..
like servlet info,url pattern and many more..
we have also some other xml files like weblogic.xml, ejb-jar.xml and application.xml.....

16-02-06, 06:29 AM	#2 (permalink)
meenakshisekar Senior Member Join Date: Feb 2006 Location: India Posts: 546 Thanks: 7 Thanked 7 Times in 5 Posts Thanks: 7 Thanked 7 Times in 5 Posts Rep Power: 8	. What is the difference between normal beans and EJBs ? normal beans:for client side front page designing. ejb:for server side scripting. __________________ try try try till u succeed meenakshi

13-06-07, 01:56 PM	#6 (permalink)
deepesh Member Join Date: May 2007 Location: Bangalore Posts: 37 Thanks: 1 Thanked 0 Times in 0 Posts Thanks: 1 Thanked 0 Times in 0 Posts Rep Power: 2	Re: JSP,EJB INTERVIEW Questions asked in MNCs Deployment Descriptor is nothing but a xml file in which we write our application info.. like servlet info,url pattern and many more.. we have also some other xml files like weblogic.xml, ejb-jar.xml and application.xml..... __________________ Thanks & Regards, Deepesh The Language of Friendship is not Words but Meanings....

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16-02-06, 03:55 AM	#1 (permalink)
aparna3032 Member Join Date: Feb 2006 Location: India Posts: 48 Thanks: 0 Thanked 0 Times in 0 Posts Thanks: 0 Thanked 0 Times in 0 Posts Rep Power: 4	Dear Friends, these questions were asked by Covansys,and Intervowen companies for 2+ yrs experince guys. Can anybody answer these questions ? 1. I have a file of very very large file size at client side, and I have a JSP page. Using this JSP page, if I want to send the file to a servlet (this servlet will store it somewhere), what is the best method to do it ? 2. What is the difference between normal beans and EJBs ? 3. How system level services in EJBs are managed ? And tell about Deployment Descriptor and the steps involved in it ? 4. What are various types of EJBs ?

16-02-06, 12:02 PM	#3 (permalink)
solletilakshmi Member Join Date: Feb 2006 Location: India Posts: 45 Thanks: 0 Thanked 2 Times in 2 Posts Thanks: 0 Thanked 2 Times in 2 Posts Rep Power: 3	What are various types of EJBs ? EJB stands for enterprise java bean.EJB's are used to implement the business logic.The various types of EJB's are *1) StateFul Session Bean* *2) StateLess Session Bean* *3) Message Driven Bean* *4)Bean managed persistent Entity Bean(BMP)* *5) Container Managed persistent Entity Bean(CMP)* *Session Beans are used to implement the business procedures.* *Entity Beans are used to access the data from database.*

17-02-06, 06:14 AM	#4 (permalink)
swathi4_9 Junior Member Join Date: Feb 2006 Location: Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts Thanks: 0 Thanked 0 Times in 0 Posts Rep Power: 3	EJB stands for entity java beans. Actually v hav 3 types of beans. 1.Session Beans 2.Entity Beans 3.Messagedriven Beans and session beans r classified as stateful n stateless entity beans as CMPB n BMPB depending on persistence of data

17-02-06, 11:25 AM	#5 (permalink)
solletilakshmi Member Join Date: Feb 2006 Location: India Posts: 45 Thanks: 0 Thanked 2 Times in 2 Posts Thanks: 0 Thanked 2 Times in 2 Posts Rep Power: 3	2. What is the difference between normal beans and EJBs ? A "normal" bean is just a class that has a no arg constructor and that follows certain naming conventions for its getter and setter methods. An EJB is something totally different. First of all, EJBs must run in an EJB container. These containers are provided by enterprise servers. There are various types of EJBs: session beans, entity beans, message driven beans and within each type there are variations. For example, session beans can be stateful or stateless, entity beans can be CMP or BMP. The various types are coded differently. In the case of entity CMPs, many methods are just defined as abstract and implemented by the container. The topic is rather complicated and there are entire books devoted to EJBs.

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