Re: a simple Java question
Re: a simple Java question
- Subject: Re: a simple Java question
- From: Theodore Petrosky <email@hidden>
- Date: Tue, 4 Jan 2011 05:55:02 -0800 (PST)
duh!!!
as soon as I read the response I realized my error.
Thanks
Ted
--- On Tue, 1/4/11, Farrukh Ijaz <email@hidden> wrote:
> From: Farrukh Ijaz <email@hidden>
> Subject: Re: a simple Java question
> To: "Theodore Petrosky" <email@hidden>
> Cc: email@hidden
> Date: Tuesday, January 4, 2011, 7:01 AM
> Hi Ted,
>
> You should use only estimates().
>
> if(estimates()) {
> // your code.
> }
>
> jobIsClosed() || !jobIsClosed() will always return true as
> at one given moment one of them will be true so anding it to
> estimates() doesn't make sense as if estimates() is false
> the evaluation will quit with false due to java precedence
> which is left to right.
>
> Farrukh
>
> On 2011-01-04, at 2:51 PM, Theodore Petrosky wrote:
>
> >
> >
> > if (estimates() && jobIsClosed() ||
> !jobIsClosed()) {}
> >
> > I have these accessors (estimates()
> jobIsClosed()). Do I need to parenthesize the second part of
> this to be correct:
> >
> > if (estimates() && (jobIsClosed() ||
> !jobIsClosed())) {}
> >
> >
> > the first example is working as I intend, but I
> originally had:
> >
> > if (estimates() && jobIsClosed() ||
> estimates() && !jobIsClosed()) {}
> >
> >
> > I was reading and searching on Java precedence and
> couldn't find anything that specifically answered the
> question. If I leave my code as the first example, will it
> come back to bite me later? or is the second example more
> correct?
> >
> > Ted
> >
> >
> >
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