To further the qury, I am looking for the implementation of these
methods. Where can I find them??
An example is "req.getSession();". The method body of getSession() is
what I am looking for.
Hope somebody can lead me to these method implementation...
Another query, Does the src folder have all the source code that is
there is the JSDK.JAR??
Thanks,
Rajat
>From [EMAIL PROTECTED] Fri Mar 5 12:37:39 1999
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>Date: Fri, 5 Mar 1999 15:23:54 -0500
>Reply-To: "A mailing list for discussion about Sun Microsystem's Java
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>From: Doug Chamberlin <[EMAIL PROTECTED]>
>Subject: Re: Can interfaces be instantiated??
>To: [EMAIL PROTECTED]
>In-Reply-To: <[EMAIL PROTECTED]>
>
>>> Kenia Nimesh wrote:
>>>
>>> in the function
>>>
>>> public void doPost(HttpServletRequest req,HttpServletResponse res)
>>> throws { }
>>>
>>> Interfaces can't be instantiated.
>>> HttpServletRequest and HttpServletResponse are both interfaces
....Right!
>>> So how can we pass an object of these interfaces to the doPost
method??
>>>
>>> Also that HttpServletRequest extends ServletRequest . Since both of
these
>>are interfaces they have abstract methods which are just declared ..So
where
>>are all the
>>> methods like getParameter(), getMethod() defined???
>
>The objects being referenced by the parameters req and res are
>instantiations of SOME CLASS which supports the interfaces being
designated
>here. As the recipient of those object references you don't really care
>what the base class of those parameter objects is. What you care about,
and
>what is specified in the parameter declaration, is that those objects
>faithfully implement the interfaces shown.
>
>No interfaces cannot be instantiated directly, but you can declare any
>class to implement an interface which means it MUST provide a non
abstract
>replacement for all abstract methods declared in that interface.
>
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