Re: The greeting code in Java

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From	Tobias Blass <tobiasblass@gmx.net>
Newsgroups	comp.lang.java.programmer
Subject	Re: The greeting code in Java
Date	Wed, 22 Jun 2011 08:35:00 +0000 (UTC)
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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.
>
> s/charaacter/character/, of course (why do these details only become
> apparently *after* posting?)
>
>> 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.

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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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