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Windows 7: java

18 May 2009   #11
kpo6969

 
 

https://jdk6.dev.java.net/6uNea.html


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19 May 2009   #12
Win7User512

Windows 7 x64 / Same
 
 

Quote   Quote: Originally Posted by johngalt View Post
I wouldn't think so, other than location, if my supposition that the APIs themselves are the same....

But I may be wrong....
I would think that while the objects and methods, etc would be the same names, the implementation of them at the source code level would be different for the different architectures (utilizing different sized address spaces).
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19 May 2009   #13
johngalt

 

I'll have to check on that - superficially it makes sense, but there is something nagging at me from JAVA class that wants me to jump up and contradict that...but I cannot remember what....
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19 May 2009   #14
darkassain

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 Win7User512 View Post
I would think that while the objects and methods, etc would be the same names, the implementation of them at the source code level would be different for the different architectures (utilizing different sized address spaces).
but you see that's why there is a interminably language called byte-code which in theory should solve the problem of different architectures (and that the x86-64 is a superset and in essence should be in theory backwards compatible...)

my belief is that this might be a bug as byte-code should eliminate the problem of different architectures (since the JRE is actually doing the actual compiling to machine code and to the correct microcode...)
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19 May 2009   #15
Win7User512

Windows 7 x64 / Same
 
 

Quote   Quote: Originally Posted by johngalt View Post
I'll have to check on that - superficially it makes sense, but there is something nagging at me from JAVA class that wants me to jump up and contradict that...but I cannot remember what....
Quote   Quote: Originally Posted by darkassain View Post
but you see that's why there is a interminably language called byte-code which in theory should solve the problem of different architectures (and that the x86-64 is a superset and in essence should be in theory backwards compatible...)

my belief is that this might be a bug as byte-code should eliminate the problem of different architectures (since the JRE is actually doing the actual compiling to machine code and to the correct microcode...)
I thought about this issue some more after posting (and tried to find some research on it). The source code may be the same (though I would expect it do be tailored to x64) however, the compiler (and Java VM) would have to be different, especially if the source is the same. SOMETHING has to be different in order to utilize 64 bit addressing.
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19 May 2009   #16
johngalt

 

True - but when using an IDE, (or, more specifically, when using JCreator), it compiles the app prior to running it even if the .class files already exist - that is what I was trying to remember yesterday that made me want to argue against the source differentiation yesterday....
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19 May 2009   #17
Win7User512

Windows 7 x64 / Same
 
 

Quote   Quote: Originally Posted by johngalt View Post
True - but when using an IDE, (or, more specifically, when using JCreator), it compiles the app prior to running it even if the .class files already exist - that is what I was trying to remember yesterday that made me want to argue against the source differentiation yesterday....
And what compiles the app? The Java compiler (either x86 or x64).
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22 May 2009   #18
DOC8

windows 7 64bit
 
 
play right

Some of you go on about java. Why do you treat your new sister like your old brother. If you want to play with her forget about him for now. He's playing with another girl any way.I installed Microsoft Silverlight and haven't had any problems. I have 64 bit so I installed java 32 and 64 bit just because my older brother had it. But my new sister didn't like it and didn't want to play with me. So I did some research and found that she likes the Silverlight. If you like, go here: Essentials - Windows Live its free.good luck. Best regards DOC
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