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What is the scope for page and session
kn.2006@hotmail.com
- Mar 23rd, 2006
Scope can have either of page | request | session | application values.The default is page.scope=page==>You can use the Bean within the JSP page with the element or any of the page's static include f...
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Which of the following statement is true for the tag. (Multiple choice)
Skill/Topic: Programming ConstructsA) It offers option of sharing local variables and better run time efficiencyB) Can be used to incorporate contents from static documents C) Provides benefit of automatic recompilation. D) Can include dynamically generated output.
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State true or false :- URL instance represents the location of a resource
Skill/Topic: Programming ConstructsA) TrueB) False
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State true or false -- URLConnection instance represents a link for accessing or communicating with the resource at the location.
Skill/Topic: Programming ConstructsA) TrueB) False
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I have written a jsp program with database connectivity.When i am starting the j2ee server after copying the jsp file in public_html folder and invoking my jsp page, it is giving the error as No suitable driver.Whats the problem with my code? Here is my codeJSP JDBC Example
vmshenoy
- Mar 9th, 2006
see i think u might have not included the driver .I f u want to use MICROSOFT ACCESS DBthen first of all make a table in the db.(the table should match the name u hvae written in coding i.e select * f...
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Text in textarea cant be copy by anyone while it is running in the browser (i.e,the text cant be copy and then paste on the other page) give me suggestion?
Samara
- Mar 7th, 2006
Hi Arun, We can do it using oncopy and onpaste eventsif you want to restrict the user to paste data in to text area we can write like this<textarea onpaste="return false;">copy...
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Difference between single thread and multi thread model servlet
ravikumarzee@gmail.com
- Mar 6th, 2006
In single thread model a servlet implements the SingleThreadModel Interface(Tagged Interface). If a servlet implements SingleThreadModel an instance will be created for every Servlet Request...
Prasad
- Oct 3rd, 2005
In single thread model the sevelet will implement SingleThreadMidel interface means only one client can access the servlet.Because of this the response time is very slow.In Multithread model the creates pool os servlet instances and manages the servlets.
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What is use of implict Objects?why the container is given those one?
ravikumarzee@gmail.com
- Mar 6th, 2006
All the implicit objects are created by the JSP Engine. Infact, every jsp is converted to a servlet by the JSP compiler. All the implicit objects are declared in the _jspService() method of the servle...
Amit Kumar
- Dec 22nd, 2005
Implicit object is a predefine object which is provide by jsp engine. Is machinegun is easy for processing all basic work.
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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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Can we override jspInit()
sekhar_ch1
- Mar 1st, 2006
Sure we can override jspinit() and jspdestroy().But we can not override _jspService().Since what ever we wrote code in the JSP will be placed in _jspService() of generated servlet class(from JSP) .mea...
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When to use struts technology? what type of applications are developed using struts frame work?
ravikumarzee@gmail.com
- Feb 28th, 2006
Struts forces us to use MVC architecture. It helps in code maitainability. It also eliminates most of the repetitive code which is common to most of the web applications.
charan
- Oct 20th, 2005
for large applications and repeated view can be happen from different actions mainly struts technology is used for easily maintian large applications compare with jsp technology and more....
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In Oracle table some fields are "null".By default it will show as "null" in JSP page text box.But i dont want that. I want as blank textbox.What i can do for that?
umasank
- Feb 17th, 2006
You can use the wasNull() method of ResultSet to find if the column read in the table has a NULL and then set the bean value as you want.
ejazazeem79
- Dec 9th, 2005
One way is to use NVL(fieldName, ' ') in the SQL Query and the other one is to use ?: operator in java/jsp/servlet while get value from Resultset i.e. (fieldName == null)? " " : fieldName;
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JSP Interview Questions
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