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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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How do you connect to the database from JSP
swapnilk
- May 15th, 2008
BO stands for Busssiness Object where you are going to do all kind of logical calculations.DAO stands for Data Access Object where you are communicating with DataBase by firing qryDTO stands for Data ...
bharaniprasanth
- Mar 11th, 2008
Why can't we use servlets instead of java beans...how does somebody hack a server side object connecting to database?
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How do you call stored procedures from JSP
delindia
- Jan 3rd, 2012
We can call stored producedure using sql tags in jstl "java5 For example, calling a stored procedure that returns a result set: exec ExampleProcLoadExample ? ...
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Where can we find the compiled file of jsp in the directory struture.
Vinod
- Dec 28th, 2015
I am using Tomcat server and Mysql database. Whenever i tried to run this i am getting an error "java.lang.ClassNotFoundException: com.mysql.jdbc.Driver ". Can someone please help me to overcome thi...
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Fill in the blanks -- ________________ is used to call other Servlet or JSP from the current Servlet
Skill/Topic: ServletsA) RequestDispatcherB) ResponseDispatcherC) ServletInvokerD) None of the above
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All the ___________ data is kept at the application server ___________ data is kept at the web server
Skill/Topic: FundamentalsA) dynamic, static B) static, dynamic C) HTML, Servlet D) Servlet, HTML
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What is the role played by JSP in the MVC architecture
Skill/Topic: JSP Thread ModelA) ModelB) ViewC) ControllerD) None of the above
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What is the difference between Difference between doGet() and doPost()?
praveen7g
- Jun 5th, 2008
when you use doget() method the formfield data is passed to the server as part of query string so there is no confidential to the data ,every body can see that dataand one more is we can send very lim...
ashokbontala
- Jun 4th, 2008
The major difference between the doGet() and doPost() methods is that in doGet() method wats the paramaters is passing can be seen in url but in doPost() method we cant see the parameters in url thats the difference upto my knowledge
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What is the difference between http session and application session?
bh2008
- Aug 7th, 2008
HttpSession is logged is user specific. You can't access across the users.But application session (static) variables can be accessed across the users in the application.HttpSession variable life t...
vinayroz
- Aug 6th, 2008
There is nothing like application session. In simple words we can take it as how we manage session in our application, so that is by HttpSession interface or by Url rewriting, hidden fields and cookies.
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Why main() is not written in servlets programs?
Abinash
- May 25th, 2015
Actually any web apps is managed by Servlet container. Servlet container is nothing but java program. So our servlet classes are managed by Servlet container which is already present in tomcat server ...
vinayroz
- Aug 6th, 2008
Simple java programs are stand alone application and in this case?we have to specify the starting point of execution for interpreter but servlets are server side tech and based on client request. Whe...
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What are implicit Objects available to theJSP Page?
Implicit objects are the objects available tothe JSP page. These objects are created by Webcontainer and contain information related to aparticular request, page, or application. The JSPimplicit objects are:Variable Class Descriptionapplication javax.servlet.ServletContext The contextfor the JSP page's servlet and any Web componentscontained in the same application.config javax.servlet.ServletConfig...
Satheeshgeek
- May 20th, 2008
There are 9 implicit objects available in jsp1) Page2)pagecontext3) request4) response5) application6) session7) out8) config9) Exceptionthese are created by container..No need to declare thse objects in jsp page.. we can directly use it.
ramesh
- Aug 11th, 2007
The implicit variables on jsp are1.out2.request3.response4.config5.page6.pagecontext7.session8.exceptionsthese implicit objects are no need to declare in jsp. we can directly use. these are involved in _jspService() method.
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, pagedirective include, action tag include ?">
What is the difference between , pagedirective include, action tag include ?
Karuna Reddy
- Jun 6th, 2008
In this case the page will be included at the time compilation. It is static include. If you have any changes that will not be reflect ie it will not display the out. In this case page will b...
praveen7g
- Jun 5th, 2008
page include is called as static include because at the time of the compilation the jspc will compile the two jsps and make it one jsp and submit to the jvm the jvm executes only one jsp at the t...
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Why there is no constructor in Servlet?
Servlet is Java class. Then why there is no constructor in Servlet? Can we write the constructor in Servlet
jontyjonty
- Sep 10th, 2009
We can have parameterized constructors for servlet. Explanation:Consider this example class One implements Servlet{}-> now One is a java class having all the special features of a servlet.-> so just ...
san.manish
- Apr 8th, 2009
A servlet is just like an applet in the respect that it has an init() method that acts as a constrcutor. Since the servlet environment takes care of instantiating the servlet, an explicit constructor ...
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How to overwrite the init and destroy method in a jsp page.
Akash Tyagi
- Aug 16th, 2018
We cant be override _jspInit(),_jspDestroy(),_jspService()...it will give the method duplication error.Even _jspService() will be give the compile time error,but the _jspInit() and_jspDestroy() will b...
Satheeshgeek
- May 20th, 2008
Hi frds,We can override init and destroy methods within declaration tag of jsp
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Can we implement an interface in JSP Page?If yes How
Arvind Kale
- Dec 19th, 2012
We cant implement interface in JSP but we can use extends used to extends class not interface
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What is the different between _jspInit() and jspInit()?
Vikas.Barsainya
- May 15th, 2010
Here is the skeleton of HttpJspBase class which is developed by tomcat developers.You might have a clue from this for all related answers. public abstract class HttpJspBase extends HttpServlet { ...
shunmugababu
- Nov 26th, 2008
You cannot override _jspInit() whereas it is possible to override jspInit().
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Why we need web container to Deploy the servlet or jsp ?
i.e Why we can not run the application like simple java program
karna poreddy
- Jan 22nd, 2014
Servlet & JSP are heavy weight Technologies because unless we start web server(web container) or application server we cannot activate either servlet container or JSP Container. Spring is lightweig...
sankh
- Sep 7th, 2012
Server site application contains web resources such as active web resources and passive web resources. Those resides in server passive web resource execution done at browser and active web resources ...
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