jsp param passing

Hi,

I would like to know what is the difference of passing param with delimitter & , ; as below.

http://localhost:8181/jsps/ManyParams.jsp?param1=qq¶m2=rrr¶m3=sss

http://localhost:8181/jsps/ManyParams.jsp?param1=qq;param2=rrr;param3=sss

Which one we should use when.
When can i use paramValues collection.

when do we use jsp:params, jsp:param,jsp:plugin

Please advise.

Any links resources ideas highly appreciated. Thanks in advance
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gudii9Asked:
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girionisCommented:
They are the same thing, semicolon is just a different way to separate the query string parameters. For more information have a look at wikipedia for the query string.
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gudii9Author Commented:
the output is coming different.
If i use ;

then in output
param1=xyz abc def
param2=null
param3=null

 coming

if i use & output coming correct as below

param1=xyz
param2=abc
param3=def

please advise
1
Amitkumar PSr. ConsultantCommented:
When can i use paramValues collection

If you have values with the same parameter then you should use paramValues.

ex. http://localhost:8181/jsps/ManyParams.jsp?param1=aaa¶m1=bbb¶m2=ccc

ParamValues will return an array of string for values with same param name as param1 in the above example.

Param will return a string for a given parameter as param2 in the example.
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