> For example, if you enter in a website of a musical
> group and a music of this group starts playing, by
> applet i think. I want to capture this music and save
> in my pc, however i don't know how to do this. How
> can i do this?
We don't teach java here, but we can help you if you have errors. You will have to either get a book or google this and learn this yourself. We can help with specific questions once you have done some work and produced some code. Good luck.