How to build applications for the touch table

The system I'm currenrtly useing si the reacTIVIsion system 

http://reactivision.sourceforge.net/

The processing library is here 

TUIO_Processing.zip

the java one is 

TUIO_JAVA.zip

The Simulator is 

TUIO_Simulator.zip

http://www.tuio.org/?software

has a list of other stimulators, libries, trackers and so on. 

You needs the processing TUIO lib. 

http://www.tuio.org/?processing

I tend to go with processing it goes full screen straight away. 

http://www.processing.org/

The lanauges is a reduced version of Java, but it handles the constantly redrawing stuff. 

I tend to use http://www.jbox2d.org/ to do the physics of interaction. 

To get stuff working you might need open sound control (http://opensoundcontrol.org/) library 

http://www.sojamo.de/libraries/oscP5/  ( for processing).