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Re: JLink

• To: mathgroup at smc.vnet.net
• Subject: [mg80528] Re: JLink
• From: dh <dh at metrohm.ch>
• Date: Fri, 24 Aug 2007 02:03:03 -0400 (EDT)
• References: <faj473$8h6$1@smc.vnet.net> <fajnsa$ptj$1@smc.vnet.net>

Hi David,

I am using Mathematica to automate testing of programms written in C and Java. 

This programms have been prototyped and tested in Mathematica and translated to 

the other languges. As a test I run the original program and the 

translation using JLink and compare the results.

Daniel





David Bailey wrote:

> dh wrote:

>> Hello,

>>

>> Mathematica 6 comes with an outdated Java. Therefore, it may be 

>>

>> necessary to use a newer version. A clumsy solution is to change the 

>>

>> Java in the installation. However, there was a better method that worked 

>>

>> before v6:

>>

>> InstallJava takes an option "CommandLine" that specifies a command line 

>>

>> to start Java. In version 6 this does no more work correctly. If I say:

>>

>> InstallJava[CommandLine->"name of new  java"]

>>

>> the old Java of mathematica is loaded, despite the option. However, if I 

>>

>> prevent mathematica to find the java executable by renaming the 

>>

>> corresponding folder, the correct java is now loaded.

>>

>> Daniel

>>

>>

>>

> I suspect this is related to the fact that Java is now loaded at kernel 

> startup - presumably to run the packlet code.

> 

> Just out of interest, what new features of Java 6 do you want to access 

> via J/Link?

> 

> David Bailey

> http://www.dbaileyconsultancy.co.uk

>