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Windows 7: java

18 May 2009   #1

Windows 7 Professional 64-bit
 
 
java

Do you need the jre in both 32-bit and 64-bit installed on your system or can you go wholey 64-bit for use with whichever browser you use (including 64-bit ones)?

My System SpecsSystem Spec
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18 May 2009   #2

Windows 7 Home Premium x64
 
 

Only if you use a x32 browser do you need both. Otherwise, use the x64 one.
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18 May 2009   #3

Vista Ult64, Win7600
 
 

I have both installed, so I dont seem to be asked anymore to install it for whatever reason.
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18 May 2009   #4

Windows 7 Professional 64-bit
 
 

Ill have to keep both until flash is released in 64-bit.
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18 May 2009   #5

Windows 7 Home Premium x64
 
 

Exactly. We're all in the same boat.
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18 May 2009   #6

Windows 7 x64 / Same
 
 

Quote   Quote: Originally Posted by jfar View Post
I have both installed, so I dont seem to be asked anymore to install it for whatever reason.
That's what I do too; for frustration's sake.
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18 May 2009   #7

 

I do both too - but I have noticed more than once that if I code an app using an IDE that is pointing to the 64bit version of JAVA and then take it to a machine with the same IDE but pointing to a 32bit version, it has gone screwy on me a couple of times - I cannot understand how as I thought the APIs were identical.....

But I still keep both.
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18 May 2009   #8

Windows 7 x64 / Same
 
 

Quote   Quote: Originally Posted by johngalt View Post
I do both too - but I have noticed more than once that if I code an app using an IDE that is pointing to the 64bit version of JAVA and then take it to a machine with the same IDE but pointing to a 32bit version, it has gone screwy on me a couple of times - I cannot understand how as I thought the APIs were identical.....

But I still keep both.
Wouldn't the API's source for x86 and x64 be different?
My System SpecsSystem Spec
18 May 2009   #9

 

I wouldn't think so, other than location, if my supposition that the APIs themselves are the same....

But I may be wrong....
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18 May 2009   #10

Windows 7 Ult x64(x2), HomePrem x32(x4), Server 08 (+VM), 08 R2 (VM) , SuSe 11.2 (VM), XP 32 (VM)
 
 

Quote   Quote: Originally Posted by johngalt View Post
I do both too - but I have noticed more than once that if I code an app using an IDE that is pointing to the 64bit version of JAVA and then take it to a machine with the same IDE but pointing to a 32bit version, it has gone screwy on me a couple of times - I cannot understand how as I thought the APIs were identical.....

But I still keep both.
yep im the same boat as you are....
the only thing i can think of is that something is different when compiling to byte code changes enough to affect whether it was compiled in 32 or 64...
had to compile 32 bit as the class computers are using 32bit xp...[shudder]...
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