Also, you said: "So what do I have to change?" in a previous email.
Honestly, at this point you need to re-evaluate your JAVA, and not worry
about your JSP. You need to re-read the tutorial, or at least figure out
that the tutorial teaches Java for a reason.
You need to change the interface to an interface - if that's what you want -
or to an actual abstract class - if that's what you want. I can't make your
design decisions for you; neither can anyone else. It sounds like you want
an abstract class. Go write one.
>From: drew w <[EMAIL PROTECTED]>
>Reply-To: A mailing list about Java Server Pages specification and
> reference <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Re: simple interface error
>Date: Fri, 4 May 2001 21:10:20 -0000
>
>I would call this method to print out an error that would be assigned to a
>session when something is wrong.
>
>
>thanks,
>andrew
>
>
>>From: Joseph Ottinger <[EMAIL PROTECTED]>
>>Reply-To: A mailing list about Java Server Pages specification and
>> reference <[EMAIL PROTECTED]>
>>To: [EMAIL PROTECTED]
>>Subject: Re: simple interface error
>>Date: Fri, 4 May 2001 15:26:28 -0500
>>
>>In Java, interfaces have *only* method signatures. What you're trying to
>>do
>>looks like an abstract class, although an abstract class of this type has
>>limited usefulness.
>>
>>What you probably REALLY want to do (note the "probably" -- what you
>>REALLY
>>want to do is REALLY up to you and you only, REALLY) is define a parent
>>class, containing a set of common methods, marked as abstract. Then all
>>classes that need those methods would extend that class, and you'd have
>>your
>>printError() method automatically.
>>
>>Incidentally, printError() is probably done a lot better by libraries such
>>as log4j ( http://jakarta.apache.org/log4j/ ) and other similar creations.
>>
>>I'm still trying to find the relevance to JSP in your post, and I imagine
>>I'll fail now, tomorrow, and the day aft... oh, heck, I'll just go ahead
>>and
>>give up with that now.
>>
>>
>>>From: drew w <[EMAIL PROTECTED]>
>>>Reply-To: A mailing list about Java Server Pages specification and
>>> reference <[EMAIL PROTECTED]>
>>>To: [EMAIL PROTECTED]
>>>Subject: simple interface error
>>>Date: Fri, 4 May 2001 20:02:40 -0000
>>>
>>>I am creating a simple interface called common:
>>>public interface Common{
>>>public String printError(String msg){
>>>String errmsg;
>>>errmsg = ("Sorry "+getName()+",
>>>"+msg);
>>>}
>>>}
>>>when I compile I get this message:
>>>Abstract and native methods cannot have a body: String printError(String
>>>msg)
>>>public String printError(String msg)
>>>^
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>>>Some relevant FAQs on JSP/Servlets can be found at:
>>>
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>>
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>
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