Re: checking for null Noob question
Re: checking for null Noob question
- Subject: Re: checking for null Noob question
- From: Theodore Petrosky <email@hidden>
- Date: Sat, 31 Jul 2010 05:09:34 -0700 (PDT)
Yes... I was asking 'Why?' is there a NullPointerException with number 2...
Ted
--- On Sat, 7/31/10, Jérémy DE ROYER <email@hidden> wrote:
> From: Jérémy DE ROYER <email@hidden>
> Subject: Re: checking for null Noob question
> To: "Theodore Petrosky" <email@hidden>
> Cc: email@hidden
> Date: Saturday, July 31, 2010, 8:07 AM
> I won't do the second one because you
> could see a NullPointerException. Is it your question ?
>
> Jérémy
>
> Le 31 juil. 2010 à 14:05, Theodore Petrosky a écrit :
>
> >
> > Why does this work:
> >
> > public String dueDateTypeLetter() {
> >
> > if (this.dueDateType() == null ||
> this.dueDateType().equals("N")) {
> > return "";
> > }
> > return this.dueDateType();
> > }
> >
> > and this doesn't....
> >
> > public String dueDateTypeLetter() {
> >
> > if (this.dueDateType().equals("N") ||
> this.dueDateType() == null) {
> > return "";
> > }
> > return this.dueDateType();
> > }
> >
> > obviously the difference is the order of checking in
> the 'if' statement...
> >
> > I don't really care that I must check in a specific
> order... It just took me time to understand that the order
> was important.
> >
> > Ted
> >
> >
> >
> >
> >
> >
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