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MathGroup Archive 2007

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Re: Why use Java in Mathematica?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg78253] Re: Why use Java in Mathematica?
  • From: David Reiss <dbreiss at gmail.com>
  • Date: Wed, 27 Jun 2007 05:20:29 -0400 (EDT)
  • References: <a6e65e8d0706220205m63dc9817id956db71bd8457c3@mail.gmail.com>

As in Murray Eisenberg's post above, I wouldn't suggest this as you
may find unintended consequences....  (I don't konw what they might
be, but without a full architecture map of the Mathematica system, you
can't be sure that you won't break something).

As for " I am afraid that one day, Mathematica will use Java to build
their interface, for cross-platform", I think that the proper phrase
for this is "Bloody unlikely!"  The system is cross platform currently
and to regress to java for all that WRI has put into Mathematica's
development would be against the fundamental design of the system.

--David
A WorkLife FrameWork
http://scientificarts.com/worklife
Now Mathematica 6 compatible...


On Jun 26, 4:33 am, mpop... at lycos.com wrote:
> On Jun 25, 3:06 am, "   " <zhengji... at gmail.com> wrote:
>
>
>
> > Dear all,
>
> > I have tried V6.0, and find that whenever kernel starts, JavaLink is
> > loaded. By inspecting javaw.exe's running status, it can be found that
> > Java is started for PacletManager.
>
> > Even disallow Mathematica to access Internet, PacletManager is loaded
> > at start up as usual. I find that the loading of PacletManager is coded
> > into mainload.mx, so it seems difficult to get rid of PacletManager.
> > Since I do not need PacletManager currently, so I modified
> > PacletManager.m to create the PacletManager` contex only and do
> > nothing else. Then Java is no longer loaded at start up of kernel.
>
> > Personally, I hate Java:
> > 1. JRE uses two much memory, and >50MB for PacletManager
> > 2. for personal taste.
>
> > Personally, I think that JavaLink is great feature to show that
> > Mathematica is open, and can interact with other programming
> > languages. But it is not a good thing to make JavaLink a required
> > component to Mathematica. (Some functions need Java)
>
> > The reason for using Java in Mathematica is only for Internet access.
> > And remind that some other scientific computing software (such as
> > ..... as you know) even use Java for building their user
> > interface! Mathematica is immaculate in most part of the kernel and
> > user interface. But still, I wonder why using Java, as a required
> > component?
>
> > I suppose that WRI just want to make the codes related to Internet
> > access cross-platform. WRI has already made both the frontend and
> > kernel cross-platform, why not implement Internet accessing functions
> > on different platform NATIVELY?
>
> > All in all, I am afraid that one day, Mathematica will use Java to
> > build their interface, for cross-platform. If this happened, I would
> > say that Java had done great harm to the whole software industry.
>
> > BTW, Borland CLX library, WxWidges (WxWindows) are all cross-platform
> > libraries on source code level and we can build native executable for
> > different platforms from the same source code.
>
> > --
> > Li Zhengji
> > -------------------------------------------------------------
> > If all you have is a hammer, everything is a nail.
> > -------------------------------------------------------------
>
> Hi;
>
>   Could you please describe your modifications to PacletManager.m
> because I would like to stop javaw.exe from running also.
>
> Thanks
> Angela




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