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What is default Session time out in the servers like Tomcat, Weblogic, JBoss,..etc?
kumar
- Aug 4th, 2007
No Guys All the answers are fully wrong ....... the container takes 18.5 minThankskumar
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What is session ?how to manage the session?
jimmy514in
- Jul 4th, 2010
I thought we use session.getAttribute("attr_name") and session.setAttribute("attr_name",obj) to use session management!Do we use getValue and setValue()...??
bhanulee
- Apr 3rd, 2006
Session is an object of method maintaining state which is act of preserving the information from one page to another page. we can manage sessions in two ways using cookies using URL rewriting
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Which method is more advantageous doGET() or doPOST()? in which situation does we use doGET() then?
mahesh
- Apr 25th, 2007
DoGET() is better
Veeren76
- Aug 17th, 2006
Practical Example of doGet()there is online newspaper and you see news using url something similar to this http://mynewspaper.com/articles/showarticle.jsp?artId=12345this is good use of doGet(), since...
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How you can activate or call one another servlet method?
hmashruf
- Jan 21st, 2007
Hi,Good to see the ways of communication between servlets.My question goes as: The servlet communication when they are running in different servlet container. sOne and sTwo are two servlets, here can we include sTwo's output in response of sOne's?Thank you.
sudhakarchowdary
- Jan 12th, 2007
To call the service method of the another servlet from other servlet1)if both servlets are part of the same web applicationuser ServletContext application=config.getServletContext(); RequestDispa...
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When destroy method get call, will it call for each user please give the ans in detail?
sudhakarchowdary
- Jan 12th, 2007
1)when the application is stopped2)when a class is replaced with the new class3)when there is no memory to operate.
Manish
- Oct 3rd, 2006
public void destroy() Called by the servlet container to indicate to a servlet that the servlet is being taken out of service. This method is only called once all threads within the servlet's servi...
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What is the difference between request.forward and requestdispatcher.forward?
muktasharad
- Sep 3rd, 2008
The question should be like - What is the difference between requestdispatcher.forward and response.sendredirect? The response will not be sent back to the client and so the client will not know...
sunil.yadav
- Jan 31st, 2007
The question should be -- What is the difference between response.sendRedirect(url) and RequestDispatcher.forward(url)?
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What is the role of synchronization when we making a servlet as singlethreadmodel?
krishna Ballabh
- Mar 22nd, 2007
SingleThreadModel technique works well for low volume sites, it does not scale well.All requests that will come for the SingleThreadModel resource would be available only for one user at a time.
Jagdish111
- Mar 21st, 2007
in singleThreadModel Web Container is going to create a number of servlet objects, each object can be accessed by only one thread at a time, if the number of clients are more then there will be two po...
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How Servlet Applet communication achieved?
jimmy514in
- Jul 3rd, 2010
Create a URL. Retrieve the URLConnection object. Set output capability on the URLConnection. Open a connection to the resource. Get an output stream from the connection. Write to the output stream. Close the output stream.
Shaik
- Oct 20th, 2007
Servlet - Applet communication can be achieved in the following way.a) Type the following code in your applet. //The path of the servlet needs to be passed as input param to URL C...
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What is default capacity of connection pool objects in pool of app-server Weblogic and Tomcat webserver?
prathyusha_dasari
- Feb 18th, 2008
The default capacity of connection pool in app-server weblogic is 20.We can redefine the default value if we want.
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Can we write bussiness methods in servlets? if yes, then how can u access that from out side of the servlets?
sampra
- Mar 4th, 2008
No its not possible to write bl inside Servlets' 'coz they don'nt allow us to write to write the content in it
Ranjeeta
- Sep 26th, 2007
Yes we can write business methods inside a servlet and these methods can be accessed only within the same servlet and not from outside of servlet.
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What is the main purpose of Servlet? Why it is developed in Java?
Praveen.kb
- Sep 4th, 2009
Web server is not that much intelligent to handle requests where?dynamic data to be inserted. In this case, Web servers need helper classes to accomlish the same. CGI is also widely used like?Servle...
sampra
- Mar 4th, 2008
Servlet Technology is an implementation of the CGI standard, much better than that. It allows you to create dynamic web applications as opposed to the static HTML.
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What is hot deployment?
sampra
- Mar 4th, 2008
If we made some chage in web.xml and chang reflect in progm wdout server restrt thn its called hot deployment
sure.duggirala
- Jun 27th, 2007
A web server is a simple jvm which has all the servlets, jsps and other server side components loaded in it. So in the development process if you make any change in the servlet or a jsp or o...
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What are the necessary conditions to override the init() in servlets?
For overriding init()method any rules are there
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Servlet container
What is difference between servlet container and servlet config?
delindia
- Dec 20th, 2011
A servlet config object is used by a servlet container, to pass information to a servlet during initialization. The webserver uses separate module to load and run the servlets called servlet containe...
srini235
- May 20th, 2008
Servlet container is part of web server which provides run time environment for servlets i.e it manages the entaire life cycle for the servlets like it creates instance,initialization,processing and destroying it.
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Servlets Interview Questions
Ans