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C: namesList = context.listContents(someContextName);
Binding binding = namesList.next();
MyObject obj = binding.getObject();
D: namesList = context.list(someContextName);
Binding binding = namesList.next();
MyObject obj = (MyObject) binding.getObject("MyObject");
">To create a DSI (Dynamic Skeleton Interface) based server, the server must extendA: org.omg.CORBA.DynamicImplementation B: org.omg.CORBA.DynamicSkeleton C: org.omg.CORBA.SkeletonInterface D: org.omg.CORBA.DSIHow would you get the actual bound object of type MyObject using JNDI?A: namesList = context.listBindings(someContextName); Binding binding = namesList.next(); MyObject obj = (MyObject) binding.getObject(); B: namesList = context.listBindings(someContextName); Binding binding = namesList.next(); MyObject obj = binding.getObject("MyObject"); C: namesList = context.listContents(someContextName); Binding binding = namesList.next(); MyObject obj = binding.getObject(); D: namesList = context.list(someContextName); Binding binding = namesList.next(); MyObject obj = (MyObject) binding.getObject("MyObject");
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Can jsp , servlets be extended?
bharaniprasanth
- Mar 11th, 2008
By extension if you mean reusing the code ..JSP is but Servlet cannot be..Only we can include or pass the control to another Servlet back and forth but we cannot re use it like custon tags....
atulkumar81
- May 17th, 2007
Yes, JSP is extensible, because we can use custom tag, that are user defined custom tag.
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Identify the advantages of JSP over Servlet.a) Embedding of Java code in HTML pagesb) Platform independencec) Creation of database-driven Web applicationsd) Server-side programming capabilities
Embedding of Java code in HTML pages
bharaniprasanth
- Mar 11th, 2008
Also add this option...no need to learn Java thoroughly ...cricital concepts like inheritance..because most of it used as a view jsut to display the text or graphic results...Biggest Disadvantage is U need to mount a Big server like weblogic , websphere for a simple application...
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How to add timer function in JSP ?
bharaniprasanth
- Mar 11th, 2008
What do u mean by Timer ..?what is the functionality u want to achieve?
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Can I invoke a JSP error page from a servlet?
Yes, you can invoke the JSP error page and pass the exception object to it from within a servlet. The trick is to create a request dispatcher for the JSP error page, and pass the exception object as a javax.servlet.jsp.jspException request attribute. However, note that you can do this from only within controller servlets.If your servlet opens an OutputStream or PrintWriter, the JSP engine will throw...
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How does JSP handle run-time exceptions?
You can use the errorPage attribute of the page directive to have uncaught runtime exceptions automatically forwarded to an error processing page. For example:<%@ page errorPage="error.jsp" %>redirects the browser to the JSP page error.jsp if an uncaught exception is encountered during request processing. Within error.jsp, if you indicate that it is an error-processing page, via the directive:<%@...
bharaniprasanth
- Mar 10th, 2008
Alternatively u can get Servletcontext and use the log file to push the errors to the log file..
anooptomar
- Nov 11th, 2007
You can also use "web.xml" to define your error page if you dont want to specify the error page on each page. Its scope will be your application wide so you can use.
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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 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 implement pagination from database level.
Please provide me any sample source code for the same
bachi14
- Dec 26th, 2007
ArrayList resultList = (ArrayList)session.getAttribute("allzones");int pageNo = a.getPageNumber();// get the pageno form ur class int recordCount=0; if(resultList!=null &...
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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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Can we implement an interface in JSP?
dsmanyam
- Jul 29th, 2007
You can actually extend a class within a JSP right.Now take a template class make that class implement all your required interfaces and then make your JSP extend that template class and provide the fu...
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These ____________ listeners are notified when the Servlet context (i.e., the Web application) is initialized and destroyed/
Skill/Topic: JSP Thread ModelA) Session AttributeB) Servlet context attributeC) Session ListenersD) Servlet context listeners
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The response.sendRedirect("……..”); is the response implicit object to redirect the browser to the different resource
Skill/Topic: Programming ConstructsA) TrueB) False
pdommara
- Sep 6th, 2007
SendRedirct will?send request to any web resourse where as? forward will?send to resouce with?inweb application.
juluru_manoj28
- Feb 6th, 2006
True, this will redirect the page to the resource page you have mention the quotes.
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How do I use comments within a JSP page?
You can use "JSP-style" comments to selectively block out code while debugging or simply to comment your scriptlets. JSP comments are not visible at the client.For example:<%-- the scriptlet is now commented out<%out.println("Hello World");%>--%>You can also use HTML-style comments anywhere within your JSP page. These comments are visible at the client. For example:<!-- (c) 2004 javagalaxy.com...
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State true or false -- While using request.getRequestDispatcher(path) we need to give the absolute path of the object
Skill/Topic: Programming ConstructsA) TrueB) FalseExplanation: request.getRequestDispatcher(path): In order to create it we need to give the relative path of the resource, context.getRequestDispatcher(path): In order to create it we need to give the absolute path of the resource.
vel
- Feb 6th, 2007
No we dont want to give because we are requesting for the path so leave it as (" ");
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When u try to redirect a page after you already have written something in your page, the error encountered is “Response has already been committed error” or popularly called 402 error.
Skill/Topic: Programming ConstructsA) FalseB) True
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The error message displayed when the page is not found at the correct location.
Skill/Topic: Programming ConstructsA) 550 B) 440 C) 505 D) 404
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State true or false - We make use of a ServletOutputStream object from the JSP page
Skill/Topic: Programming ConstructsA) TrueB) FalseExplanation: use the JSPWriter object
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We can restrict the calling of the errorPage in the JSP by setting the value true for the ______ param in the ErrorPage attribute of the Page Directory
Skill/Topic: Programming ConstructsA) isErrorpage
JSP Interview Questions
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