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Re: JLS 3/e -- Lots Of Errors

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On 06-02-2011 22:27, Ken Wesson wrote:
> On Sun, 06 Feb 2011 21:01:32 -0500, Arne Vajhøj wrote:
>
>> On 06-02-2011 20:32, Lawrence D'Oliveiro wrote:
>>> In message<iil5i6$10m$2@news.eternal-september.org>, Joshua Cranmer
>>> wrote:
>>>> On 02/05/2011 09:48 PM, Lawrence D'Oliveiro wrote:
>>>>> In message<iijnm4$d5j$1@news.albasani.net>, Lew wrote:
>>>>>> On 02/05/2011 07:32 AM, Lawrence D'Oliveiro wrote:
>>>>>>> * Section 5.1.8, page 88: no mention of what happens when you unbox
>>>>>>> a NaN (the previous page said only that the boxed object had
>>>>>>> isNaN() evaluating to true, no mention of what floatValue() or
>>>>>>> doubleValue() might return).
>>>>>>
>>>>>> Nor is such a mention required, therefore its omission is not an
>>>>>> error. However, it's pretty clear that if 'isNan()' is true, then
>>>>>> 'doubleValue()' must return 'Double.NaN'.
>>>>>
>>>>> No it is not. The spec carefully refrains from mentioning what
>>>>> floatValue() and doubleValue() return.
>>>>
>>>> Why should it mention it? That is what the documentation on the
>>>> respective classes in the Java Standard API is for.
>>>
>>> If that’s the case, there should be a reference to where it’s properly
>>> defined.
>>
>> Why?
>>
>> People that read the JLS should have read the Java API
>
> What, the whole thing? It's tens of megabytes of text. The Encyclopedia
> Brittanica is a shorter English-language work.
>
> The commonly encountered classes in java.lang and java.util and java.io,
> yes, though. String, System, the boxed primitive classes, StringBuilder,
> Iterator, Set, Map, List, HashFoo, ArrayList, InputStream, OutputStream,
> Reader, Writer, and File; and Exception; at the very least.

Having read the most common part and learned to lookup the
less common parts very quickly.

That accumulates knowledge over time.

Arne

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Re: JLS 3/e -- Lots Of Errors Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 21:01 -0500
  Re: JLS 3/e -- Lots Of Errors Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 19:11 +1300
  Re: JLS 3/e -- Lots Of Errors Arne Vajhøj <arne@vajhoej.dk> - 2011-02-07 20:10 -0500
  Re: JLS 3/e -- Lots Of Errors Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-02-07 15:48 +1300
    Re: JLS 3/e -- Lots Of Errors Arne Vajhøj <arne@vajhoej.dk> - 2011-02-06 22:03 -0500
  Re: JLS 3/e -- Lots Of Errors Ken Wesson <kwesson@gmail.com> - 2011-02-07 04:27 +0100

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