You are correct, when you know the size of the input ahead of time (a Vector
or array), this is more efficient.
(*Chris*)
----- Original Message -----
From: Allan Stanley <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, May 07, 1999 8:40 AM
Subject: Re: help with getParameterValues()
> Sorry couldn't resist this old chestnut :-) - even more efficient is:
>
> String tables[]=req.getParameterValues("selectbox name");
> StringBuffer createview = new StringBuffer();
> for (int i = 0; i < tables.length-1; i++) {
> createview.append(tables[i]);
> createview.append(',');
> }
> createview.append(tables[tables.length-1]);
>
> Allan
>
> ----- Original Message -----
> From: Sam Rose <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, May 07, 1999 5:31 AM
> Subject: Re: help with getParameterValues()
>
>
> > Thanks to all that contributed to this, I now have it working due to
> > the code below.
> >
> > -----Original Message-----
> > From: Chris Pratt [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, May 06, 1999 5:41 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: help with getParameterValues()
> >
> > OK, here's Programming 101
> >
> > String tables[]=req.getParameterValues("selectbox name");
> > boolean addComma = false;
> > StringBuffer createview = new StringBuffer(); <= More Efficient
> > for (int i = 0; i < tables.length; i++) {
> > if(addComma) {
> > createview.append(',');
> > } else {
> > addComma = true;
> > }
> > createview.append(tables[i]);
> > }
> >
> > and viola, if you use createview.toString() you get "option 1, option
> > 2,
> > option 3".
> > (*Chris*)
> >
> > ----- Original Message -----
> > From: Sam Rose <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Thursday, May 06, 1999 8:17 AM
> > Subject: help with getParameterValues()
> >
> >
> > > Hello,
> > >
> > > I was wondering if anyone could help me,
> > >
> > > I have on one page a select box which the user can choose multiple
> > > options and then submit this to the next servlet.
> > >
> > > This then retrieves the values by this
> > >
> > > String tables[]=req.getParameterValues("selectbox name");
> > >
> > > My problem is, is that I need to convert these into a string like
> > > so...
> > > Option 1, option 2, and option 3
> > > With the last option not having a comma at the end of it.
> > >
> > > I have tried this to get the options
> > > String createview = null
> > > for (int i = 0; i < tables.length; i++) {
> > > createview= createview + tables[i];
> > > }
> > >
> > > Problem is I need a comma to divide the options up but I have no
> > Idea
> > > how to do that, as well as making sure there isn't a comma at the
> > end
> > > of the last value.
> > >
> > >
> >
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