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Groups > comp.lang.java.programmer > #13688
| From | Tsukino Usagi <usagi@tsukino.ca> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: no more primitive data types in Java (JDK 10+). What do you think? |
| Date | 2012-04-20 22:17 +0900 |
| Organization | Moon Kingdom |
| Message-ID | <jmrnll$l3h$2@dont-email.me> (permalink) |
| References | <jmq71h$su0$1@speranza.aioe.org> <jmqvlg$r96$1@dont-email.me> <Ywakr.22899$Ex1.12284@newsfe18.iad> |
On 4/20/2012 7:04 PM, Arved Sandstrom wrote:
> On 12-04-20 03:27 AM, Tsukino Usagi wrote:
>> On 4/20/2012 8:27 AM, Nasser M. Abbasi wrote:
>>>
>>> On page 42, it says:
>>>
>>> "Unified type system (JDK 10+)
>>> No more primitives, make everything objects"
>>>
>>> I've seen very little discussion on this very important
>>> subject.
>>>
>>> What do the experts here think of the idea?
>>
>> It's impossible. Whatever they mean when they say "remove primitives"
>> cannot possibly be what those words actually mean. Just think, how would
>> it be possible to state a = a + 1 without the number 1? Ok, so you can
>> use .add(Integer x). But how precisely do you call it? .add(1)? There's
>> still a 1. And what's worse is if numbers act like objects, which
>> introduces it's own dangerous problem. Is the number 5 really 5, or is
>> it something else? Treating primitives like objects, without them
>> actually being objects, is UN-neccessary and confusing.
>>
>> 5.length() or 5.size()? Well if 5 is an object I should be able to
>> over-ride it.
>>
>> Class 6 Extends 14 {}
>>
>> Is that what they mean, or do they mean they will just treat numbers
>> /like/ objects? I guess I need more information. In the absence of a
>> good reason, I don't believe such a change will ever actually make it
>> into Java.
>
> However they do things there will be problems and concerns. What you
> talk about is not likely to be one of them. In a system where all things
> are objects, numeric literals are objects: they are syntactic sugar.
>
> a = 2;
>
> really means
>
> a = new Integer(2);
>
> and
>
> a = a + 1;
>
> means that a is some Number and you're adding Integer(1) to it. Who
> cares that underneath the hood the compiler translates that to (int)13 +
> (int)1?
>
> Just because you've got literals doesn't mean that you need primitives.
>
> As for instance calls on a literal, you and I already do that with
> String literals. E.g. "some string".length().
>
> I think you can see that in your example '5' is an instance; Java is
> class-oriented for inheritance/extension, not object-oriented, so you
> won't be extending an instance. But yes, we'd expect that you could do
> 5.someMethod(), for instance methods that make sense.
>
> AHS
I get what your saying, my point was exactly that requiring Integer(1)
is ridiculous. If your going to type "1", type "1" and be done with it.
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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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