On Wed, 12 Jan 2000, John McDonald wrote:

> Sorry that was supposed to be:
>
> if(!(password.equals("")) || !(null == password))
> {
>    do some stuff
> }

Didn't we just go through this?  You need to switch the order of your
checks (i.e. check for null first), otherwise you risk getting a
NullPointerException.


> ----- Original Message -----
> From: John McDonald <[EMAIL PROTECTED]>
> To: A mailing list for discussion about Sun Microsystem's Java Servlet API
> Technology. <[EMAIL PROTECTED]>
> Sent: Wednesday, January 12, 2000 8:06 PM
> Subject: Re: checking for null password
>
>
> > Try this:
> >
> > if(password.equals("") || !(null == password))
> > {
> >    do some stuff
> > }
> >
> > John D. McDonald
> > CipherStream Systems
> > Phone: 925.373.8700
> > Fax:     413.793.6603
> > email: [EMAIL PROTECTED]
> > web: www.cipherstream.com
> > -------------------------------------------------------
> > Secure E-Business Is Our Business
> > -------------------------------------------------------
> > ----- Original Message -----
> > From: Harish Satyanarayanrao <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Wednesday, January 12, 2000 4:08 PM
> > Subject: checking for null password
> >
> >
> > > Hi,
> > >
> > > I have a problem in a servlet which i wrote.
> > >
> > > The servlet accepts a username and password from a HTML form.
> > >
> > > I am accessing the same using getParameter function in the doGet
> function.
> > >
> > > String pwsd = request.getParamater("PASSWORD");
> > >
> > > To check if the user pressed the submit button without entering the
> > password,
> > > I tried
> > > if (pswd==null) {//show the login page again with a error message}
> > >
> > > The program does not enter this if loop .
> > > (The string pswd is getting assigned a value if i do enter the password
> in
> > the
> > > HTML form)
> > >
> > > Am i missing something?
> > >
> > > Harish
> > >
> >
>

Milt Epstein
Research Programmer
Software/Systems Development Group
Computing and Communications Services Office (CCSO)
University of Illinois at Urbana-Champaign (UIUC)
[EMAIL PROTECTED]

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