Read numbers from java window

[Flyingimmi]

Hello all, 

I'm trying to read continuously updated numbers from a java window. ( I
don't have the source code for the program)

I was  already able to do this using a custom OCR algorithm but this is a
bit slow and too error-prone.

Second I tried to find the memory address where the most recent value was
stored and simply checked the 
same memory address over and over again. This work as well to some extend ,
after a changing period of time the new
values where stored a different location and I was not able to get access to
the updated values anymore. I can only suspect was happened but I guess some
kind of memory allocation. ( I was using the Sun Java Runtime on Ubuntu 8.10
)

Since all my ideas failed so far, I'm curious if there is a chance to read
number ( or characters ) from a java window
if I use OpenJDK. Any hint suggesting where I can find information for this
task a very much appreciated. 

best regards flyingimmi

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