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Re: no more primitive data types in Java (JDK 10+). What do you think?

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From Lew <lewbloch@gmail.com>
Newsgroups comp.lang.java.programmer
Subject Re: no more primitive data types in Java (JDK 10+). What do you think?
Date Fri, 20 Apr 2012 16:45:57 -0700 (PDT)
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glen herrmannsfeldt wrote but callously failed to attribute his citations:
> Lew wrote:
> (snip)
>>>>Class 6 Extends 14 {}  <=== Tsukino Usagi  wrote
>>> abstract class Peano { }  <=== rossum wrote 
>>> class 0 extends Peano { }
> 
> (snip)
>> And that's relevant because ... ?
> 
>> Do you think they'll suddenly allow leading digits in class 
>> identifiers for Java code? I think not.
> 
> As I remember, all unicode [sic] letters are allowed. There are plenty

As I looked up in the JLS, that's not true. Leading digits are not permitted.

"An identifier is an unlimited-length sequence of Java letters and Java digits, the first of which must be a Java letter."
<http://docs.oracle.com/javase/specs/jls/se7/html/jls-3.html#jls-3.8>

The JLS trumps your memory.

> that could be confusing to readers. Maybe there aren't any that
> look like roman digits, though. There are many that look like,
> but aren't the same character as, roman alphabet letters.

But those characters are not used to represent integers, so are not germane to this conversation.

The question at hand was the potential legitimization of glyphs that represent integers to be used as class names that inherit from other classes. Those glyphs are not currently allowed to be leading characters of identifiers, so unless that changes, rossum's construct will never be legal.

-- 
Lew

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no more primitive data types in Java (JDK 10+). What do you think? "Nasser M. Abbasi" <nma@12000.org> - 2012-04-19 18:27 -0500
  Re: no more primitive data types in Java (JDK 10+). What do you think? Arne Vajhøj <arne@vajhoej.dk> - 2012-04-19 20:02 -0400
    Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <lewbloch@gmail.com> - 2012-04-19 17:31 -0700
      Re: no more primitive data types in Java (JDK 10+). What do you think? Robert Klemme <shortcutter@googlemail.com> - 2012-04-20 15:45 +0200
        Re: no more primitive data types in Java (JDK 10+). What do you think? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-04-20 15:05 +0000
          Re: no more primitive data types in Java (JDK 10+). What do you think? Robert Klemme <shortcutter@googlemail.com> - 2012-04-20 19:32 +0200
        Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-20 20:47 -0700
    Re: no more primitive data types in Java (JDK 10+). What do you think? Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-04-19 17:45 -0700
      Re: no more primitive data types in Java (JDK 10+). What do you think? Arne Vajhøj <arne@vajhoej.dk> - 2012-04-19 21:22 -0400
      Re: no more primitive data types in Java (JDK 10+). What do you think? "Nasser M. Abbasi" <nma@12000.org> - 2012-04-19 21:16 -0500
        Re: no more primitive data types in Java (JDK 10+). What do you think? Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-04-19 23:11 -0700
  Re: no more primitive data types in Java (JDK 10+). What do you think? Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-04-19 21:35 -0300
    Re: no more primitive data types in Java (JDK 10+). What do you think? Arne Vajhøj <arne@vajhoej.dk> - 2012-04-19 21:31 -0400
    Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <lewbloch@gmail.com> - 2012-04-19 19:22 -0700
      Re: no more primitive data types in Java (JDK 10+). What do you think? Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-04-19 23:15 -0700
        Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-20 07:45 -0700
          Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-20 08:20 -0700
            Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-20 19:57 -0700
              Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-21 04:25 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? Leif Roar Moldskred <leifm@dimnakorr.com> - 2012-04-21 07:05 -0500
                Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-21 07:42 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-21 12:55 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-21 13:27 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-21 13:34 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-21 14:01 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-04-21 23:48 +0000
                Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-21 17:46 -0700
        Re: no more primitive data types in Java (JDK 10+). What do you think? Gene Wirchenko <genew@ocis.net> - 2012-04-20 08:08 -0700
          Re: no more primitive data types in Java (JDK 10+). What do you think? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-04-20 16:46 +0000
            Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <lewbloch@gmail.com> - 2012-04-20 12:52 -0700
        Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-20 08:17 -0700
          Re: no more primitive data types in Java (JDK 10+). What do you think? Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-04-20 09:02 -0700
            Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <lewbloch@gmail.com> - 2012-04-20 12:48 -0700
            Re: no more primitive data types in Java (JDK 10+). What do you think? David Lamb <dalamb@cs.queensu.ca> - 2012-04-20 21:08 -0400
              Re: no more primitive data types in Java (JDK 10+). What do you think? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-04-21 01:55 +0000
                Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-21 04:28 -0700
  Re: no more primitive data types in Java (JDK 10+). What do you think? Joshua Cranmer <Pidgeot18@verizon.invalid> - 2012-04-19 19:36 -0500
  Re: no more primitive data types in Java (JDK 10+). What do you think? Tsukino Usagi <usagi@tsukino.ca> - 2012-04-20 15:27 +0900
    Re: no more primitive data types in Java (JDK 10+). What do you think? Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-04-20 07:04 -0300
      Re: no more primitive data types in Java (JDK 10+). What do you think? Tsukino Usagi <usagi@tsukino.ca> - 2012-04-20 22:17 +0900
        Re: no more primitive data types in Java (JDK 10+). What do you think? Robert Klemme <shortcutter@googlemail.com> - 2012-04-20 15:59 +0200
      Re: no more primitive data types in Java (JDK 10+). What do you think? Thufir <hawat.thufir@gmail.com> - 2012-04-20 14:21 -0700
      Re: no more primitive data types in Java (JDK 10+). What do you think? Arne Vajhøj <arne@vajhoej.dk> - 2012-04-20 19:11 -0400
    Re: no more primitive data types in Java (JDK 10+). What do you think? Tsukino Usagi <usagi@tsukino.ca> - 2012-04-20 22:16 +0900
      Re: no more primitive data types in Java (JDK 10+). What do you think? Robert Klemme <shortcutter@googlemail.com> - 2012-04-20 15:55 +0200
    Re: no more primitive data types in Java (JDK 10+). What do you think? Patricia Shanahan <pats@acm.org> - 2012-04-20 07:49 -0700
      Re: no more primitive data types in Java (JDK 10+). What do you think? Arne Vajhøj <arne@vajhoej.dk> - 2012-04-20 19:19 -0400
        Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-21 07:58 -0700
    Re: no more primitive data types in Java (JDK 10+). What do you think? rossum <rossum48@coldmail.com> - 2012-04-20 20:08 +0100
      Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <lewbloch@gmail.com> - 2012-04-20 12:54 -0700
        Re: no more primitive data types in Java (JDK 10+). What do you think? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-04-20 21:48 +0000
          Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <lewbloch@gmail.com> - 2012-04-20 16:45 -0700
            Re: no more primitive data types in Java (JDK 10+). What do you think? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-04-21 01:56 +0000
              Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-21 04:35 -0700
      Re: no more primitive data types in Java (JDK 10+). What do you think? Jim Janney <jjanney@shell.xmission.com> - 2012-04-20 16:24 -0600
    Re: no more primitive data types in Java (JDK 10+). What do you think? Arne Vajhøj <arne@vajhoej.dk> - 2012-04-20 19:08 -0400
    Re: no more primitive data types in Java (JDK 10+). What do you think? Joshua Cranmer <Pidgeot18@verizon.invalid> - 2012-04-20 18:14 -0500
      Re: no more primitive data types in Java (JDK 10+). What do you think? Arne Vajhøj <arne@vajhoej.dk> - 2012-04-20 19:22 -0400
      Re: no more primitive data types in Java (JDK 10+). What do you think? Arne Vajhøj <arne@vajhoej.dk> - 2012-04-20 20:36 -0400
  Re: no more primitive data types in Java (JDK 10+). What do you think? Roedy Green <see_website@mindprod.com.invalid> - 2012-04-20 05:33 -0700
    Re: no more primitive data types in Java (JDK 10+). What do you think? Bernd Nawothnig <Bernd.Nawothnig@t-online.de> - 2012-04-20 20:53 +0200
      Re: no more primitive data types in Java (JDK 10+). What do you think? Gene Wirchenko <genew@ocis.net> - 2012-04-20 13:36 -0700
        Re: no more primitive data types in Java (JDK 10+). What do you think? Bernd Nawothnig <Bernd.Nawothnig@t-online.de> - 2012-04-21 10:20 +0200
          Re: no more primitive data types in Java (JDK 10+). What do you think? Gene Wirchenko <genew@ocis.net> - 2012-04-23 10:24 -0700
            Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-24 14:39 -0700
              Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <lewbloch@gmail.com> - 2012-04-24 15:06 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-24 17:07 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-25 00:48 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-25 08:20 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-25 08:59 -0700
                Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-25 10:32 -0700
              Re: no more primitive data types in Java (JDK 10+). What do you think? Tsukino Usagi <usagi@tsukino.ca> - 2012-04-29 23:03 +0900
                Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-29 10:28 -0700
      Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-21 08:55 -0700
        Re: no more primitive data types in Java (JDK 10+). What do you think? Lew <noone@lewscanon.com> - 2012-04-21 12:56 -0700
          Re: no more primitive data types in Java (JDK 10+). What do you think? BGB <cr88192@hotmail.com> - 2012-04-21 13:41 -0700
  Re: no more primitive data types in Java (JDK 10+). What do you think? Silvio Bierman <silvio@moc.com> - 2012-04-20 16:50 +0200
    Re: no more primitive data types in Java (JDK 10+). What do you think? Arne Vajhøj <arne@vajhoej.dk> - 2012-04-20 19:04 -0400

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