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!

>>17
Is that even relevant to the topic or is it just your way of saying you haven't the talent, drive or wherewithal to produce a hentai dating sim in COBOL.