Newbie question

Hi.
ummm....I wondering
if I #include many many file in C++,
or import many many package in JAVA,
what will happen?

Will my file become bigger bigger?
even if got function never use?
Or will compiler auto remove all the never use function?

Thank u BBS!

>>12
What do you mean ⁶⁶someone⁹⁹? If you can't write that yourself then get the fuck out of here, seriously.