How to send temperature data from Processing to Arduino?

Everyone had to start somewhere,

Yes and any sensible person would read the how to use the forum sticky post that is at the start of every section and is right next to the place you clicked to start the thread.

Then when this was pointed out, again you might expect a sensible person to comply with what is asked, in exchange for some free advice, rather than throw his toys out of the pram.

I'll just take my problems somewhere else.

Yes maybe you will find a forum that tolerates people who are too lazy or arrogant to even look at the basics of how to behave. However, I doubt it.
Good luck.