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Re: JLS 3/e -- Lots Of Errors

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In message <4d4f60f7$0$23756$14726298@news.sunsite.dk>, Arne Vajhøj wrote:

> On 06-02-2011 21:48, Lawrence D'Oliveiro wrote:
>
>> In message<4d4f5275$0$23761$14726298@news.sunsite.dk>, 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 (and
>>> a tutorial on Java).
>>
>> Which one first?
> 
> I would suggest somewhat in parallel.

And which “tutorial” explains the effect of unboxing a NaN?

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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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