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| From | "Arne Vajhøj" <������ høj@1:261/38.remove-7rm-this> |
| Subject | Re: multiple inheritance |
| Message-ID | <502FE75F.56988.calajapr@time.synchro.net> (permalink) |
| X-Comment-To | Lew |
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| Date | Sat, 18 Aug 2012 19:37:59 GMT |
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To: Lew
From: "=?UTF-8?B?QXJuZSBWYWpow7hq?=" <=?utf-8?b?qxjuzsbwywpow7hq?=@1:261/38.rem
ove-rj6-this>
To: Lew
From: =?UTF-8?B?QXJuZSBWYWpow7hq?= <arne@vajhoej.dk>
On 8/12/2012 11:19 PM, Lew wrote:
> Arne Vajh-,j wrote:
>> Roedy Green wrote:
>>> 1. It has interfaces which gives much of the ability at lighter
>>> weight..
>>
>> Only for a very limited type of types (those with no implementation
>> at all).
>
> That is true, but "very limited" might be misconstrued as "not very
> useful". That Java limits multiple inheritance to interfaces is a design
> decision of the language, and confers advantages.
Indeed.
Implementation inheritance is not in fashion in Java, so interfaces is the
majority of cases.
A classic text:
http://www.artima.com/intv/gosling34.html
> There are vanishingly few cases where one cannot mix in implementation
> through a combination of composition and single inheritance of
> implementation ('class' parent types) to accomplish with equal facility
> what multiple implementation inheritance would. Avoiding the sorts of
> downsides mentioned upthread is the motivation.
There are some solutions to those problems. But Java was designed to be simple,
so we got what we got.
Arne
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Re: multiple inheritance "Arne Vajhøj" <arne.vajhøj@1:261/38.remove-odu-this> - 2012-08-13 19:38 +0000
Re: multiple inheritance "Lew" <lew@1:261/38.remove-odu-this> - 2012-08-13 19:38 +0000
Re: multiple inheritance "Arne Vajhøj" <������
høj@1:261/38.remove-7rm-this> - 2012-08-18 19:37 +0000
Re: multiple inheritance "Leif Roar Moldskred" <leif.roar.moldskred@1:261/38.remove-odu-this> - 2012-08-13 19:38 +0000
Re: multiple inheritance "markspace" <markspace@1:261/38.remove-odu-this> - 2012-08-13 19:38 +0000
Re: multiple inheritance "Arne Vajhøj" <������
høj@1:261/38.remove-7rm-this> - 2012-08-18 19:38 +0000
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