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A] Is the response.sendRedirect ends the existing session?B] If I logged in to a site ( say a.com) & then in same browser window I type the url for another site (say b.com), then does my session gets ended on first site ( a. com ) ?
charankk
- Apr 30th, 2008
Hi Prasanth, The case is differnt here.Assume you have opened gmail.com and logged in... session will be created.Then you have tried to replace the url as yahoo.com, here the browser will identify the...
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What is the difference between servletcontext and pagecontext?
ramu.maloth5
- Aug 26th, 2010
ServlrtContext: one web Application have only one ServletContext object.Pagecontext: every page have pagecontext object.
ishar.Gsingh
- Dec 20th, 2009
servletcontext ==> One per webapp. Accessible by all Jsp's servlets across the webapplication.pagecontext ==> Is to retrieve the attributes from all of scope. One use this object when you d...
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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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What is the differnce between application server and web server
mahesh maney
- Sep 14th, 2006
I dont think, that a web server can only handle three tier architecture
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What is the difference between a uri and a url?
rishimasurkar
- Jul 6th, 2010
A URI identifies a resource either by location, or a name, or both. Whereas A URL is a specialization of URI that defines the network location of a specific resource.
jpjitendrapal
- Oct 19th, 2008
The idea is that a URL is a mechanical link to a resource's location, where it can be downloaded. For this reason, a URL contains a hostname and a local part, all of which can be resolved anywh...
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The jsp:useBean attribute is used to indicate the Serialized bean
Skill/Topic: Programming ConstructsA) TrueB) False
raghuprasad
- Aug 25th, 2008
The Bean class?which we write has to?extend Serializable Interface to make that bean Serialized.?The bean itself won't become Serialized automatically.Raghu.?
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What is the difference between JspWriter and PrintWriter?
devil
- Sep 23rd, 2015
jspWriter is NOT buffered whereas printWriter is buffered ..so when the jsp loads 2 things can happen : 1. If the jsp page is buffered , the contents of jspWriter ie out.println() goes to buffer an...
chilvalwar sathish
- May 27th, 2015
Printwriter is used to carry the response and printwriter is not bufferd writer its performance is slow while comparing to jspwriter.
jspwriter is used to carry the response and it is bufferedwriter its performance is fast. -
Can one JSP or Servlet extend another Servlet or JSP
Student
- Apr 29th, 2018
Servlet extends HttpServlet
Servlet1 extends only Servlet
Now, as Servlet1 extends Servlet class (i.e. a Servlet) . Servlet1 also becomes a servlet.
It is multilevel this way but Servlet1 has to override methods in order to behave differently.saimakanwal
- May 17th, 2010
A class can extend a Servlet and become a Servlet like this: class A extends httpservlet and class B extends A Here B is a Servlet because this class B is extending a class A which is a Servlet, ...
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HiWhat is the structure of MVC1?What is the structure of MVC2?Clearly i want to know jsp,servlets...which acts as view,controller,model in both
latika.singhal
- Sep 10th, 2009
MVC I:
1) Client sends a request to the JSP (View)
2) JSPs interact with the JAVA Bean
3) JAVA Bean communicates with the Enterprise Servers/ DB Servers.Madhavi
- May 30th, 2007
MVC1---------JSP acts as both VIEW and ControllerMVC2---------JSP acts as VIEW and Servlet acts as Controller
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Jasper Exception in JSP
When and why jasperException occurs?
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The tag %@include file=”.........” % > helps in including the ______ file in the JSP page (Multiple choice)
Skill/Topic: Programming ConstructsA) readOnlyB) dynamicC) staticD) None of the above
Ashique
- Aug 13th, 2008
The answer should be C) Static.Because this include directive happens at TRANSLATION TIME (i.e. The very first time your jsp page is called the code gets written to a servlet). So later on when we mak...
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How do you use "synchronized" blocks?
Is there other way to prevent next thread to access the resource with out using "synchronized" blocks?
Deepak agnihotri
- Nov 30th, 2010
We can use thread local variable as an alternative to synchronization.
Nishant jain
- May 7th, 2006
there is a way to do so, but its a bit complex and has be done by a programmer.Well u can implement the semaphore architecture using the the semaphore variable.this can be done as following:take a boo...
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Can we use main method inside JSP? Why?
ashish
- Aug 5th, 2011
Can someone tell me...how a servlet container execute init(),service() and destroy() method in a sequential manner ?
is it true that a servlet container itself contains a main() method which call these methods ?
thanks in advance...mullangi13
- Jul 29th, 2008
We can use main method in Jsp/servlet, but there is no use. This main() method will not execute throughout the life cycle. Then why should we need to use.Generally these JSP/Servlets are server side t...
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How to disable browser "Back" and "Forward" button from a JSP page?
ishar.Gsingh
- Dec 20th, 2009
JSP runs on server. You can get some information about the server but not about the client. You probably can do this with javascript.
batswon
- Jul 14th, 2008
Buttons are not disabled but when you click on them action is not performedif you have no common .js file for all pages include follwing in all jsp pageswindow.history.forward(1);
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What JSP lifecycle methods can I override?
You cannot override the _jspService() method within a JSP page. You can however, override the jspInit() and jspDestroy() methods within a JSP page. jspInit() can be useful for allocating resources like database connections, network connections, and so forth for the JSP page. It is good programming practice to free any allocated resources within jspDestroy().The jspInit() and jspDestroy() methods are...
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What is the Difference between sendRedirect() and Forward?
Pata Nahin
shaik_masthan
- Dec 23rd, 2005
So many difference for forward and send redirect i will explain as follows1. in forward the resource will be with in the container,in case of send redirect the resource would be outside the web contai...
j_jain_mca
- Nov 25th, 2005
SendRedirect() executes on client while Forward() executes on server. moreover redirect is a 2 phase method and forward is a 1 step process.
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Hii have developed a web page.i want to restrict the user from seeing my html code from web browser how do i do that?????
hmashruf
- Jan 22nd, 2007
Hi All,How about view source option from menu bar, after disabling right click in IE? Please let me know.Thank you.
Siva Kotipalli
- Jul 26th, 2006
We can disable the Tool bar using Javascript. When we disable the tool bar and the right click then we can prevent users from viewing the code. But this only works in the browsers that support javascript.
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Following method(s) cannot be overridden in the JSP page.
Skill/Topic: Programming ConstructsA) jspDestroy()B) jspInit()C) _jspService()D) getParameter()
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Which jar file should be mandatory be there in the CLASSPATH for working with Servlet.
Skill/Topic: ServletsA) javax.servlet.*B) java.servlet.*;C) javax.servlet.HttpRequestD) javax.servlet.HttpResponse
JSP Interview Questions
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