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Groups > comp.lang.java.programmer > #5546

Re: The greeting code in Java

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In article <its9fk$5jt$1@dont-email.me>,
Tobias Blass  <tobiasblass@gmx.net> wrote:
> On 2011-06-21, blmblm  myrealbox.com <blmblm.myrealbox@gmail.com> wrote:
> > In article <itpi56$9du$1@dont-email.me>,
> > Tobias Blass  <tobiasblass@gmx.net> wrote:
> >> On 2011-06-20, blmblm  myrealbox.com <blmblm.myrealbox@gmail.com> wrote:
> >> > In article <itlgsn$vr8$1@dont-email.me>,
> >> > Jeff Higgins  <jeff@invalid.invalid> wrote:
> >> >> 
> >> >> On 06/19/2011 02:36 PM, Saeed Amrollahi wrote:
> >> >> > On Jun 19, 6:31 pm, Jeff Higgins<j...@invalid.invalid>  wrote:
> >> >> >> On 06/19/2011 09:06 AM, Saeed Amrollahi wrote:
> >> >> >>
> >> >> >>> What are the problems of my code and how can I write
> >> >> >>> a better one. Please throw some light.
> >> >> >>
> >> >> >> What means better?
> >> >> >
> >> >> > For example using less abstractions and less involve with Java
> >> >> > stream class hierarchy.
> >> >> 
> >> >> For a beginner, learning to write C in Java is unhelpful.
> >> >
> >> > Even in C one would not be likely to input a string by reading one
> >> > charaacter at a time -- in a beginner program at least.

[ snip ]

> >> Hmm at least in K&R (the inofficial standard C learning book) you often find
> >> while((c=getchar())!=EOF)
> >> 
> >> It's less performant than reading whole blocks but in many cases much simpler
> >> (And that's what matters in a learning book)
> >
> > Well, if you say so (my copy of K&R is not easily accessed right
> > now).  Certainly that style makes sense in examples in which
> > the goal is to process a character at a time (to classify/count
> > characters, for example, or to copy one file to another).
> >
> > But is this style used in examples in which the objective is to
> > collect one whitespace-delimited "string" and print it?  Huh.
> > Maybe I need to reread K&R ....
> >
> 
> Obviously it is not the right choice for any problem you might encounter (the
> K&R examples are copy input to output, count characters, count lines etc.) but
> there are situations where getchar() is useful and one should be aware that
> it exists. I don't want to say that one should use it everywhere.

Well, we agree that there are situations in which reading input
a character at a time makes perfect sense, and others in which it
doesn't.  I claim that the OP's greeting program is in the second
category.  You might disagree!

-- 
B. L. Massingill
ObDisclaimer:  I don't speak for my employers; they return the favor.

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Thread

The greeting code in Java Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-06-19 06:06 -0700
  Re: The greeting code in Java Aéris <aeris@imirhil.fr> - 2011-06-19 15:19 +0200
    Re: The greeting code in Java Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-06-19 06:44 -0700
      Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 10:13 -0400
        Re: The greeting code in Java Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-06-19 07:17 -0700
          Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 11:01 -0400
            Re: The greeting code in Java Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-06-19 12:06 -0700
              Re: The greeting code in Java Aéris <aeris@imirhil.fr> - 2011-06-19 22:06 +0200
                Re: The greeting code in Java Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-06-19 22:33 -0700
              Re: The greeting code in Java RedGrittyBrick <RedGrittyBrick@spamweary.invalid> - 2011-06-20 16:36 +0100
              Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-20 12:25 -0400
                Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-20 13:00 -0400
                Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-20 15:24 -0400
              Re: The greeting code in Java blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-20 19:23 +0000
          Re: The greeting code in Java Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-06-19 16:25 -0400
            Re: The greeting code in Java Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-06-19 17:22 -0400
        Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 12:08 -0400
        Re: The greeting code in Java "Nasser M. Abbasi" <nma@12000.org> - 2011-06-19 19:35 -0700
          Re: The greeting code in Java "Nasser M. Abbasi" <nma@12000.org> - 2011-06-19 21:41 -0700
        Re: The greeting code in Java Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-06-20 01:02 -0400
      Re: The greeting code in Java Aéris <aeris@imirhil.fr> - 2011-06-19 16:51 +0200
        Re: The greeting code in Java Stanimir Stamenkov <s7an10@netscape.net> - 2011-06-19 18:06 +0300
          Re: The greeting code in Java Aéris <aeris@imirhil.fr> - 2011-06-19 17:24 +0200
            Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 11:37 -0400
            Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 11:40 -0400
        Re: The greeting code in Java Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-06-19 12:05 -0700
        Re: The greeting code in Java blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-20 19:21 +0000
  Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 10:31 -0400
    Re: The greeting code in Java Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-06-19 11:36 -0700
      Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 15:03 -0400
        Re: The greeting code in Java blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-20 19:22 +0000
          Re: The greeting code in Java Tobias Blass <tobiasblass@gmx.net> - 2011-06-21 07:44 +0000
            Re: The greeting code in Java Tobias Blass <tobiasblass@gmx.net> - 2011-06-21 09:34 +0000
              Re: The greeting code in Java Gene Wirchenko <genew@ocis.net> - 2011-06-21 07:47 -0700
            Re: The greeting code in Java blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-21 20:43 +0000
              Re: The greeting code in Java Tobias Blass <tobiasblass@gmx.net> - 2011-06-22 08:35 +0000
                Re: The greeting code in Java blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2011-06-22 20:04 +0000
  Re: The greeting code in Java Stanimir Stamenkov <s7an10@netscape.net> - 2011-06-19 19:07 +0300
    Re: The greeting code in Java Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-06-19 12:08 -0700
  Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 13:07 -0400
    Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 13:11 -0400
      Re: The greeting code in Java Jeff Higgins <jeff@invalid.invalid> - 2011-06-19 14:19 -0400

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