JSP Interview Questions


Question: What is the difference between variable declared inside a declaration part and variable declared in scriplet part?
Question: Is there a way to execute a JSP from the comandline or from my own application?
   
   
   
   

Q:

What is the difference b/w variable declared inside a declaration part and variable declared in scriplet part?

A: Variable declared inside declaration part is treated as a global variable.that means after convertion jsp file into servlet that variable will be in outside of service method or it will be declared as instance variable.And the scope is available to complete jsp and to complete in the converted servlet class.where as if u declare a variable inside a scriplet that variable will be declared inside a service method and the scope is with in the service method.
 
[ Received from Neelam Gangadhar]

Q:

Is there a way to execute a JSP from the comandline or from my own application?

A:

There is a little tool called JSPExecutor that allows you to do just that. The developers (Hendrik Schreiber <hs@webapp.de> & Peter Rossbach <pr@webapp.de>) aim was not to write a full blown servlet engine, but to provide means to use JSP for generating source code or reports. Therefore most HTTP-specific features (headers, sessions, etc) are not implemented, i.e. no reponseline or header is generated. Nevertheless you can use it to precompile JSP for your website.

 
[ Received from Nitin Jawarkar ]



JSP Interview Questions

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