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From: Nathan on 22 Mar 2010 02:43
Where can I find statistics on JDK version usage in the Java
development industry? I am looking for percentage usage of 1.4, 1.5
and 1.6 by professional development firms. Rough estimates would also
be appreciated. Has your company moved to 1.6, or are you stuck on an
older version of the platform?

Thanks,

Nathan
From: Andrew Thompson on 22 Mar 2010 09:27
On Mar 22, 5:43 pm, Nathan <nathan.f...(a)gmail.com> wrote:
> Where can I find statistics..

Ahh. Lies, damned lies, and statistics!

>..on JDK version usage in the Java
> development industry?..

Of what use the the statistics on *JDK* usage by
*developers* of any relevance to anybody?

I can understand wanting to know what target *JRE*
they aim their app. at, but that in no way depends
on the JDK version they use to compile code.

>..I am looking for percentage usage of 1.4, 1.5
> and 1.6 by professional development firms. ..

Oh, so you are not bothered with knowing the stats.
for amateur dev. firms?

> ..Rough estimates would also be appreciated. ..

I estimate (roughly) - less than 100%, more than 0%.

--
Andrew T.
pscode.org
From: RedGrittyBrick on 22 Mar 2010 10:33
On 22/03/2010 13:27, Andrew Thompson wrote:
> On Mar 22, 5:43 pm, Nathan<nathan.f...(a)gmail.com> wrote:
>> Where can I find statistics..
>
> Ahh. Lies, damned lies, and statistics!
>
>> ..on JDK version usage in the Java
>> development industry?..
>
> Of what use the the statistics on *JDK* usage by
> *developers* of any relevance to anybody?

<hands up> Ooh ooh me sir!

Maybe Nathan is developing an IDE add-on that has JDK version dependencies?



> I can understand wanting to know what target *JRE*
> they aim their app. at, but that in no way depends
> on the JDK version they use to compile code.
>
>> ..I am looking for percentage usage of 1.4, 1.5
>> and 1.6 by professional development firms. ..
>
> Oh, so you are not bothered with knowing the stats.
> for amateur dev. firms?

Maybe Nathan's studies suggest amateur dev. firms are unlikely to buy
his product?


--
RGB
Optimistically.
From: Tom Anderson on 22 Mar 2010 10:42
On Sun, 21 Mar 2010, Nathan wrote:

> Where can I find statistics on JDK version usage in the Java development
> industry? I am looking for percentage usage of 1.4, 1.5 and 1.6 by
> professional development firms. Rough estimates would also be
> appreciated. Has your company moved to 1.6, or are you stuck on an older
> version of the platform?

We're on 1.5, because we're working with a framework that the vendor
hasn't qualified it on 1.6. It does appear to work with 1.6, but it's not
officially supported on it, so clients won't touch 1.6 with a bargepole.

Don't ask me why the vendor hasn't given 1.6 the green light yet. Complete
madness.

tom

--
Who would you help in a fight, Peter van der Linden or Bill Gates?
From: Tom Anderson on 22 Mar 2010 10:45
On Mon, 22 Mar 2010, Andrew Thompson wrote:

> On Mar 22, 5:43�pm, Nathan <nathan.f...(a)gmail.com> wrote:
>> Where can I find statistics..
>
> Ahh. Lies, damned lies, and statistics!
>
>> ..on JDK version usage in the Java
>> development industry?..
>
> Of what use the the statistics on *JDK* usage by *developers* of any
> relevance to anybody?
>
> I can understand wanting to know what target *JRE* they aim their app.
> at, but that in no way depends on the JDK version they use to compile
> code.

That is technically true, but pedantic and unhelpful. If you're targeting
1.5, you will generally be developing with 1.5. No reason to use anything
earlier, and no advantage, only risk and annoyance, to using anything
later.

>> ..I am looking for percentage usage of 1.4, 1.5 and 1.6 by professional
>> development firms. ..
>
> Oh, so you are not bothered with knowing the stats. for amateur dev.
> firms?

No, because they're a contradiction in terms - a firm is a business, and a
business is not amateurs. They might well be incompetent, but by
definition, not amateurs!

>> ..Rough estimates would also be appreciated. ..
>
> I estimate (roughly) - less than 100%, more than 0%.

I can be more precise than that - 41% are still on 1.5. More precise, but
less accurate, i should add.

tom

--
Who would you help in a fight, Peter van der Linden or Bill Gates?
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