Servlets interview questions . . .

[Jagdeep Singh]

Guys any suggestions about questions interviewer might ask on servlets. Thanks in advance

[Malhar Barai]

hey...where are those SHERIFFs...this question has to be transferred to JOBs DISCUSSION...
anyway...well jagdeep...many of them do ask the basic questions first..like..
1. Diff. between GET & POST.
2. Diff. Form methods like doGet, doPost, service, doPut, doTrace...
3. Adv. of Servlet over CGI.
4. Database connectivity...
n many more...depends on wat level you are being interviewed for..as in advanced level they may ask you questions related to j2ee...
hth
MB

[Leena Diwan]

Recently one of my friend got these also..
Can u call a,
1. servlet from a servlet
2. a jsp from a servlet
3. a jsp from a jsp
4. a servlet from a jsp
well, I feel all combinations are possible. any comments from anyone ?
Leena

[bharat nagpal]

The most common question :
1) servlet life cycle
...and based on this...what do u do in init method, and something about service method
These are my favorites , I ask people these days
2) when to use servlet, when to use jsp
3) singleThread model
others
4) sharing beans between servlet and JSP

[Leena Diwan]

Hmm, Jagdeep u r a SCWCD also. Post answers to all these questions now. It will be your preparation !
Leena

[Engin Okucu]

hi Bhart ...
Then can you tell me when use servlet and when use jsp ? thank you

[Jagdeep Singh]

Leena,
I have to interview couple of people in next week. I don't want to be a terminator but just looking for some latest questions!! ((:-
Thanks for your help guys...

[Mike Curwen]

Moved from Servlets -> Jobs Discussion

[bharat nagpal]

hie Engin
I'm very much sure about the use of JSP:
JSP is used (rather essential) in multi-tier environment...it clearly seperates the Presentation
from business logic , designers can easily modify prsentation layer, and developers need not to worry
about presentation...
what I understand is that , JSP will become servlet in the end.
so 1) there is some extra (compilation) time , first time or whenever page is modified
2) Container may add some code, that could otherwise be avoided
so we use Servlets where its not related to presentation , and the part is handled by java development team
only not by the designers, like the controllers in MVC architecture.
please guide me if there is something else?
thanx

[Engin Okucu]

Thank you Bhart.
I understand beter now. If anyone has more information about my question, it would be appreciated.

[Rufus BugleWeed]

What is model 1 vs model 2.
Which do you like better Struts or JSTL?
Which do you like better and why: Tomcat or
Jetty?

[Leena Diwan]

Gosh ! Rufus, I donno anything about model1 or model2. What are they ? And jetty and JSTL also !
If you know, pls share it.
JagDeep, if you are to take interviews, take it on what is important to your projects, if any. Do not end up discarding a person who might have a capacity to grasp things during the course of the project, but know a lil less at this time.
Did I make sense here ?
Thanks and Regards,
Kirti

[Elizabeth King]

Rufus: what is model 1? The classic MVC?

[SJ Adnams]

See this site:
http://java.sun.com/blueprints/guidelines/designing_enterprise_applications_2e/web-tier/web-tier5.html

Model 1 and Model 2 simply refer to the absence or presence (respectively) of a controller servlet that dispatches requests from the client tier and selects views.

Model 2 is better because you can put all your entitlements/security code in one place.
In my opinion MVC != Model 1 since MVC is a term for a pattern. People sometimes call Model 2 'MVC2' it's not right or wrong to do that (IMO) but it does make things quite confusing.
As for interview tips: Don't get onto subjects that your not 100% confident with!
Simon

[Steve Chernyak]

Isn't there such a thing as MVC and MVC2?
I thought the difference between the two was that in MVC2 the model did not notify the presentation layer after state changes?
[ November 07, 2002: Message edited by: Steve Chernyak ]

[George Lawniczak]

What is the purpose of a "Front Controller?"
Which of the following scopes are thread-safe?
Application
Session

[George Lawniczak]

Oops, accidently hit submit.
Which scopes are considered thread-safe?
What happens when you implement the SingleThreadModel interface on a servlet?
Can a ServletContext be shared between multiple JVMs?
What's the difference between the javax.servlet.SevletContext.getRequestDispatcher and the javax.servlet.ServletRequest.getRequestDispatcher
methods?

[Garann Means]

Originally posted by Rufus BugleWeed:
Which do you like better Struts or JSTL?

Is that supposed to be a trick question? I understood Struts and JSTL to address entirely different needs (Struts is an MVC architecture and JSTL is a collection of useful tags for speeding up development?).. is that wrong? Why would someone like one better than the other - what parts of their usefulness dovetail?
Thanks,
g.

[Peewee Kochs]

Garann
I think I prefer break dancing over struts.