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How to retrieve every n number datas from database and to display those records on webpage using JSP method?
mn.viswa
- Jan 3rd, 2008
You can get all the datas from database using query(select). JDBC used for connection with database.u may use separate java file to specify query and to collect datas from database...
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How to use validateFunction in JSP ?
siriatwork
- Dec 19th, 2007
Your question is not too clear...Do you want to use a function named validateFunction in your JSP page? or do you want to write a function to validate some stuff on your JSP page?
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Plotting graphics in JSP
How to generate a graph using real time data in jsp.
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Restrict JSP page errors
How do you restrict page errors display in the JSP page.
praveen439
- Jul 9th, 2008
You first set "Errorpage" attribute of PAGE directory to the name of the error page (ie Errorpage="error.jsp")in your jsp page .Then in the error jsp page set "isErrorpage=TRUE". When an error occur in your jsp page it will automatically call the error page
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Find the number of Visitors
How we can find the number of visitors in a given site?How to find the count of number of hits to a particular page irrespective of user?
maneesh.ce.2007
- Dec 10th, 2008
On load of that page...Call a function that has a static variable say count=0;now return from that method count++;so now when everytime ur method gets called this function will get load and increment the value of count....which u can get using <%=> 'Expresion'...
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Install Tomact
How to install tomact?
ravitejareddy
- Aug 18th, 2011
Download latest Apache tomcat and install. and set the path for that in environment variables. and deploy the project and stat up the server.
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Users Count
How to count the number of users who logged on to a website?
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Upload Files to Database
How to upload files to database using JSP?
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JSP Page Object Request
In order to access the request object from a JSP page? Which step you must complete among the following:a. call the getRequest method of the JSP page.b. Use the getServletConfig method of the JSP page, then call the getRequest method of the ServletConfig object.c. There is never a good reason to access the request object from a JSP page.d. It is an implicitly defined variable.
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Share data in two different projects
How to share the data in two different projects in jsp or servlets
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What are the implicit objects in JSP & differences between them
Santhosh
- May 31st, 2005
There are nine implicit objects in JSP. 1. pageContext 2. session 3. request 4. response 5. exception 6. out 7. application 8. config 9. page ...
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What is the difference between ServletContext and ServletConfig?
Both are interfaces. The servlet engine implements the ServletConfig interface in order to pass configuration information to a servlet. The server passes an object that implements the ServletConfig interface to the servlet's init() method.The ServletContext interface provides information to servlets regarding the environment in which they are running. It also provides standard way for servlets to write...
sivachandran55
- Feb 25th, 2008
Servlet Config 1, Servlet config are one per servlet, 2, It's inside the servlet, it wont accessible to outside the servlet. ex: <servlet> <init-param> <param-name> <param-...
p_kandukuri
- Sep 12th, 2005
Every web application has one and only one ServletContext and is accessible to all active resource of that application.Every Servlet have its ServletConfig.
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How can I set a cookie and delete a cookie from within a JSP page?
A cookie, mycookie, can be deleted using the following scriptlet:<%//creating a cookieCookie mycookie = new Cookie("aName","aValue");response.addCookie(mycookie);//delete a cookieCookie killMyCookie = new Cookie("mycookie", null);killMyCookie.setMaxAge(0);killMyCookie.setPath("/");response.addCookie(killMyCookie);%>
atulkumar81
- May 18th, 2007
?In First line, We are creating cookie object of cookie class,after that we are sending response to server.we make object which take null value and it, setting life 0, after that we cookie send token to server, with null value, and max age 0.then cookie have no life.
guna
- May 18th, 2006
Can you plz explain what does each lines are doing?
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How do you prevent the Creation of a Session in a JSP Page and why?
By default, a JSP page will automatically create a session for the request if one does not exist. However, sessions consume resources and if it is not necessary to maintain a session, one should not be created. For example, a marketing campaign may suggest the reader visit a web page for more information. If it is anticipated that a lot of traffic will hit that page, you may want to optimize the load...
nitin
- Dec 16th, 2005
In the page attribute set session to false as by default its value is true.You have to set the session to false because if ur moving from one application to another application the the session value o...
p_kandukuri
- Sep 12th, 2005
use<%@ page session="false"%> in your jsp page. It wll not create session.
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What is the difference between GenericServlet and HttpServlet?
GenericServlet is for servlets that might not use HTTP, like for instance FTP service.As of only Http is implemented completely in HttpServlet. The GenericServlet has a service() method that gets called when a client request is made. This means that it gets called by both incoming requests and the HTTP requests are given to the servlet as they are.[qu]What are the differences between GET and POST service...
biswal_24
- Nov 13th, 2006
If we use Genric then the service() is required to be overridden but in case of Http Servlet it is already there and no need to override.
Arun Kumar
- Sep 14th, 2006
GenericServlet is a class in javax.servlet package which implements the Servlet interface.This class is independant of the protocol.HttpServlet is a class in javax.servlet.Http package which extends the GenericServlet class.All Http servlets must extend the HttpServlet class.
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What is the difference betweeen a statis and dynamic include?
ravikumarzee@gmail.com
- Mar 2nd, 2006
the two types of include are page include and jsp include. If u use page include, only one servlet will be generated(code of the included jsp will be merged with the first jsp) by the J...
mannu
- Nov 3rd, 2005
Static means server will not execute that part and send it to client as it is while dynamic contect will be executed by server and then its resultant will send to client
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What is the differences between JSP LifeCycle and Servlet LifeCycle?
Viresh
- Apr 18th, 2006
Theoritically no difference.programatically jasper javac/jikesjsp----------> servlet(java file)---------------->servlet(class file)---------------------->
shaik_masthan
- Dec 23rd, 2005
In servlet we can implement init,service and destroy method but in jsp we dont have any implementation for that i.e jsp container taking care of that implimentation . Finally only translation phase is different i.e jsp converted into servlet
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JSP Interview Questions
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