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request.getParameter() in scripting

 
Anks Gupta
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while using request.getParameter("X") in scripting (not EL)if this parameter doesn't exists will it be null or blank or runtime exception?

similarly in application.getInitParameter("Y") in scripting (not EL) if this init parameter doesn't exists will it be null or blank or runtime exception?
 
Bear Bibeault
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What does the JavaDoc say?
 
Anks Gupta
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To tell you something i am appearing for exam in next 2 hrs.. SO no time to refer javadocs.
 
Bear Bibeault
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Yet you have time to wait for an answer here? How long does it take you to look up the JavaDocs?
 
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