Compiling Java and TextBox to TextFile.. help pls

[canephalanx]

Hello,

i am making an IDE using c# and java as my target language

i have most of my functions working already and now i need to know how to compile what i have in my textBox1 which contains all the codes.


and my second problem is how do i write the contents from my TextBox and output it to a textfile


thanks :D