Re : Question for a Newbie

Thanks for your answer!

I still get an error message tough...

ArrayIndexOutOfBoundsException: 0

WARNING:  RXTX Version mismatch
    Jar version = RXTX-2.2pre1
    native lib Version = RXTX-2.2pre2
Exception in thread "Animation Thread" java.lang.ArrayIndexOutOfBoundsException: 0
    at sketch_121212c.setup(sketch_121212c.java:32)
    at processing.core.PApplet.handleDraw(Unknown Source)
    at processing.core.PApplet.run(Unknown Source)
    at java.lang.Thread.run(Thread.java:662)