MathGroup Archive 2000

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  • To: mathgroup at
  • Subject: [mg23676] JLink
  • From: Megan Roberts <megan at>
  • Date: Mon, 29 May 2000 12:24:05 -0400 (EDT)
  • Organization: TARMS
  • Sender: owner-wri-mathgroup at

I am using Mathematica 4 installed on a Windows NT 4 platform. I
downloaded J/Link from your website and have installed it. I have
created a jar with the relevant class files and put this in my system
classpath. One of my method names, discount_rate, caused problems
because of the under score. I then changed this method name,
a new jar and started Mathematica again. The problem is when I type
Methods[myObject] command I still get discount_rate (even though this
method name is not in any of the class files in the jar).

I have tried the following things to remedy this:
* I recreated the jar, giving it a new name. I then referred to this
jar in my classpath and deleted the reference to the old one. I
restarted Mathematica and still got discount_rate() returned in my
method list.
* I shutdown (and restarted!) my computer, but still the problem
*I opened a new Notebook and typed the commands from scratch, but to

I would like to know how Mathematica is referencing the old method
even though it doesn't exist anymore.

Thanks in advance for you help,


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