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What is servlet ,what is the use of it?
Rajkumar
- Feb 10th, 2007
Hi,Servlet is a webcomponent which is used for the generating dyanamic content.Because most of the web applications are dynamic in nature .In order to generate the dyanmic content we are using the servlets.
sudhakarchowdary
- Jan 12th, 2007
A servlet is a class that is used to extend the capabilities of servers that host applications access via a request-response programming model. Although servlets can respond to any type of request, th...
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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 purpose of doPUT() and doDELETE() method?
sudhakarchowdary
- Jan 12th, 2007
doPUT: The PUT method is a complement of a GET request, and PUT stores the entity body at the location specified by the URI. It is similar to the PUT function in FTP.doDELETE: The DELETE method is use...
santh kumar
- Sep 22nd, 2006
These 2 methods are called by the server.doPut():- a servlet handles PUT request made by the client to put a file,web page or a document in the server and is similar to sending a file by FT...
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When to use session scope1?How session object is managed by the webcontainer?When the session object is created and when it is removed?
sudhakarchowdary
- Jan 12th, 2007
when the servlets has to use any java object that is specific to the client for processing muiltiple requests then we must store the java object in session object.session objects are ...
sureshkumar
- Nov 8th, 2006
hiSession is a unique object created by the server to the client.Session can be identified by using a session id.When the data is specific to a client at that time we need to store the data in session...
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How much amount of information will be stored within a session
Dhananjay
- Dec 13th, 2006
In session you can store data of server RAM size, ofcourse it is available RAM size, lets say RAM is 128 MB and on booting the system say 28 MB is used By Operating System or other services, then u can store up to 100 mb of data in sessionCheers
bhanamant
- Dec 9th, 2005
we can stored large amount of date with session(i.e. no limitation for storing data). but limitation of session id will be limited to 4k.regards,ganesan r.
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Suppose there are 15 links on the homepage of a site and each link creates a new request, how your servlet controller would handle it? (Assuming you are using MVC-2)
Amit Saini
- Dec 12th, 2006
we can use the java script to call 15 different different servlet,each link call a function on the onclick event & this function the call the servlet through using web.xml each link call that type of...
Veeren76
- Aug 17th, 2006
I'd rather keep matters simple.Make different actions for each of the links and not use method-name parameter, it has its own problems. like action classes become huge and code gets intermingled.If yo...
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How HTTP Servlet handles client requests?
An HTTP Servlet handles client requests through its service method. The service method supports standard HTTP client requests by dispatching each request to a method designed to handle that request.
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Is servlet is used to create a dynamic webpage or Static webpage or both?
Yes both servlet is used to create a static and dynamic webpage,it also create a static webpage using serverside include it is .shtml extension,and so servlet is flexible character.
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What are the advantages using servlets than using CGI?
Servlets provide a way to generate dynamic documents that is both easier to write and faster to run. It is efficient, convenient, powerful, portable, secure and inexpensive. Servlets also address the problem of doing server-side programming with platform-specific APIs. They are developed with Java Servlet API, a standard Java extension.
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Can we declare class level variables in a servlet?
digvijayjpr
- Oct 16th, 2006
Yes we can declare class level variable in a servlet but we can also use it in the class but as we know taht it is not in our hands to make the instaniate a servlet so cannot ...
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How can i create connection pooling in tomcat?
Anand G
- Sep 13th, 2006
we can create connection pooling using tomcatFor that 1. we need to download 3 jar files a. commons-dbcp-1.2.jar b. commons-collections-3.1.jar c. commons-pool-1.3.jar 2. we want to add an...
Veeren76
- Aug 17th, 2006
WHat exactly you mean.... do you want Database connection pooling OR you want application/webserver clustering feature?
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Servlets Interview Questions
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