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From: DuncanIdaho on 22 Nov 2009 11:46
Hi

Today my faithful old Toshiba backup laptop finally gave up the ghost.
The disk is dead, long live the USB stick (which I managed to backup to
before it finally died)

Anyway, I want to buy a new laptop. The best deals from Dell all come
with Windows 7 this is apparently a 64 bit thing

The question is, will all my Java stuff (Tomcat 6, Eclipse/My Eclipse
5.1/ Java 1.6)that I currently have installed on my remaining XP SP2
machine still work or do I need to get everything in new, spanky 64 bit
versions. I have all the archives of my current Java setup safely tucked
away and I'd really like to just copy them over and carry on working.

Can I do this or do I have many hours/days/weeks of misery ahead.

TIA

Idaho
From: Qu0ll on 22 Nov 2009 14:47
"DuncanIdaho" <Duncan.Idaho2008(a)googlemail.com> wrote in message
news:SfedndhcJ80w95TWnZ2dnUVZ8jCdnZ2d(a)bt.com...
> Hi
>
> Today my faithful old Toshiba backup laptop finally gave up the ghost.
> The disk is dead, long live the USB stick (which I managed to backup to
> before it finally died)
>
> Anyway, I want to buy a new laptop. The best deals from Dell all come with
> Windows 7 this is apparently a 64 bit thing
>
> The question is, will all my Java stuff (Tomcat 6, Eclipse/My Eclipse 5.1/
> Java 1.6)that I currently have installed on my remaining XP SP2 machine
> still work or do I need to get everything in new, spanky 64 bit versions.
> I have all the archives of my current Java setup safely tucked away and
> I'd really like to just copy them over and carry on working.
>
> Can I do this or do I have many hours/days/weeks of misery ahead.

It will all work but I have only tested with the 32-bit JVM. I have not
tried installing a 64-bit JVM but all my apps, libraries and code work fine
on Windows 7 64-bit.

--
And loving it,

-Qu0ll (Rare, not extinct)
_________________________________________________
Qu0llSixFour(a)gmail.com
[Replace the "SixFour" with numbers to email me]

From: DuncanIdaho on 22 Nov 2009 16:03
Qu0ll wrote:

....

>> The question is, will all my Java stuff (Tomcat 6, Eclipse/My Eclipse
>> 5.1/ Java 1.6)that I currently have installed on my remaining XP SP2
>> machine still work or do I need to get everything in new, spanky 64
>> bit versions. I have all the archives of my current Java setup safely
>> tucked away and I'd really like to just copy them over and carry on
>> working.
>>
>> Can I do this or do I have many hours/days/weeks of misery ahead.
>
> It will all work but I have only tested with the 32-bit JVM. I have not
> tried installing a 64-bit JVM but all my apps, libraries and code work
> fine on Windows 7 64-bit.

OK, thanks for that, much appreciated ... now where is my credit card.

Idaho

From: Roedy Green on 22 Nov 2009 17:09
On Sun, 22 Nov 2009 16:46:00 +0000, DuncanIdaho
<Duncan.Idaho2008(a)googlemail.com> wrote, quoted or indirectly quoted
someone who said :

>Anyway, I want to buy a new laptop. The best deals from Dell all come
>with Windows 7 this is apparently a 64 bit thing

There are two versions of Windows 7, and at least in the upgrade, you
get both. 32 and 64 bit. However, new machines come with the 64-bit
version pre-installed. Vendors usually don't give you an OS DVD
unless you hound them. (MS eventually caved and gave me a Vista CD.)
I think they hope to sell you a whole new computer the first time the
OS crashes.

It would be suicidal of MS to come out with an OS that needed all new
64-bit software. So it seems highly probable the 64-bit OS can run
32-bit apps. You can download 32 or 64 bit JDKs from Sun. Your
source code and class files stay the same. The 64 bit version chews up
RAM since it uses 64 bit addresses. Unless you are using some app
that overflows 32-bit addressing, you probably want the 32 bit JDK.

I ran the beta Windows 7 32 bit version with 32-bit JDK fine, but I
have no other practical experience, so I defer to those that have.
--
Roedy Green Canadian Mind Products
http://mindprod.com
Finding a bug is a sign you were asleep a the switch when coding. Stop debugging, and go back over your code line by line.
From: Steve Sobol on 22 Nov 2009 17:46
In article <69djg5l32m0lga969ecblj3v5flvc1dpp2(a)4ax.com>,
see_website(a)mindprod.com.invalid says...

> There are two versions of Windows 7, and at least in the upgrade, you
> get both. 32 and 64 bit. However, new machines come with the 64-bit
> version pre-installed. Vendors usually don't give you an OS DVD
> unless you hound them. (MS eventually caved and gave me a Vista CD.)
> I think they hope to sell you a whole new computer the first time the
> OS crashes.

Nah, you usually have the option of making a "recovery disk" set
yourself. The recovery disk set, if you need to use it, will restore
your computer to the condition it was in when you bought it; this means
a reinstall of Windows, your computer's specific drivers and all of the
software originally bundled with the computer.



--
Steve Sobol, Victorville, California, USA
sjsobol(a)JustThe.net
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