Yes, it is possible.

Now, why have you changed the type of the topic out of question, while you are obviously asking a question? And why are you posting to Exhibition, when you have nothing to exhibit? (No, this section isn't for questions about real world public exhibitions...)
Fixed both.

Well, it is not about learning Processing, but about basic behavior in a forum, like reading the forum descriptions...
And well, despite the tone I used (sorry for that, but I am tired of seeing threads in the wrong forums), the message was intended to be educational, ie. with the purpose of not seeing the same errors again.