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Re: Java vs C++

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Arne Vajhøj wrote:

>> Well, java had to take the route of type-erasure to allow generic
>> progamming plus type checks because it wasn't part of the language to
>> begin with, so it was "hacked" into the specs more or less. Generics are
>> considerably less powerful, but also considerably easier than C++
>> templates. There's no metaprogramming with generics, and generics are
>> mostly limited to containers which does not hold for C++ templates. They
>> are quite different.
> 
> Java generics are useful for more than containers.
> 
> It just get complex when used for more than containers.

Well, I didn't mean to say something else (see, I wrote "mostly", not 
"only"), but nevertheless, could you provide an example?

>>> About the only thing they share in common is the syntax, and even
>>> then, C++ didn't allow A<B<C>> until C++0x (which, according to Bjarne
>>> Stroustroup, took a bit of work to convince compiler vendors to accept).
>>
>> I beg your pardon? C++ allows nested templates since C++99 and before.
>> The only issue here is a notational one, namely that you had to write
>> A<B<C> > (note the space behind B<C>) to avoid >> being parsed as a
>> token (shifting, namely). That is the only thing that got fixed in
>> C++0x, not nesting templates which is part of the language since C++99.
> 
> Joshua did not claim otherwise.

This was at least worded in a very misleading way.

So long,
	Thomas

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Re: Java vs C++ Silvio <silvio@moc.com> - 2011-02-05 18:04 +0100
  Re: Java vs C++ Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-02-07 16:21 +0800
  Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 12:28 +1300
  Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-08 09:22 +1300
    Re: Java vs C++ Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-02-07 17:25 -0500
      Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-08 16:08 +1300
  Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 12:24 +1300
    Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 15:03 +1300
      Re: Java vs C++ Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-02-06 21:18 -0500
      Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 21:26 -0500
    Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 20:15 -0500
  Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 15:55 +1300
  Re: Java vs C++ "javax.swing.JSnarker" <gharriman@boojum.mit.edu> - 2011-02-06 19:54 -0500
  Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 20:50 -0500
  Re: Java vs C++ Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-02-07 15:54 +0800
  Re: Java vs C++ Thomas Richter <thor@math.tu-berlin.de> - 2011-02-07 01:04 +0100
    Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 20:26 -0500
      Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 19:09 +1300
        Re: Java vs C++ Lew <noone@lewscanon.com> - 2011-02-07 07:29 -0500
        Re: Java vs C++ "Mike Schilling" <mscottschilling@hotmail.com> - 2011-02-06 22:52 -0800
    Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 13:32 +1300
  Re: Java vs C++ Thomas Richter <thor@math.tu-berlin.de> - 2011-02-06 16:35 +0100
    Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 15:51 +1300
      Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 22:06 -0500
    Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 15:01 +1300
      Re: Java vs C++ Thomas Richter <thor@math.tu-berlin.de> - 2011-02-07 14:53 +0100
    Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-07 19:52 -0500
    Re: Java vs C++ Lew <noone@lewscanon.com> - 2011-02-06 13:09 -0500
      Re: Java vs C++ Thomas Richter <thor@math.tu-berlin.de> - 2011-02-07 00:55 +0100
    Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 15:00 +1300
      Re: Java vs C++ Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-02-06 21:20 -0500
        Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 15:52 +1300
      Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 21:25 -0500
    Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 20:29 -0500
    Re: Java vs C++ Thomas Richter <thor@math.tu-berlin.de> - 2011-02-07 00:57 +0100
    Re: Java vs C++ Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-02-06 12:57 -0500
    Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 15:22 -0500
    Re: Java vs C++ "Mike Schilling" <mscottschilling@hotmail.com> - 2011-02-06 08:11 -0800
    Re: Java vs C++ Ken Wesson <kwesson@gmail.com> - 2011-02-07 04:41 +0100
  Re: Java vs C++ Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-02-06 21:12 -0500
  Re: Java vs C++ Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 12:26 +1300
  Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 15:27 -0500
  Re: Java vs C++ Thomas Richter <thor@math.tu-berlin.de> - 2011-02-06 16:45 +0100
  Re: Java vs C++ Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 20:51 -0500

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