Code:
if(youKnowAnyLanguage) {
use(theLanguageYouKnow);
} else {
read(WPILibCookbook);
if(youUnderstoodAnyOfThat) {
use(java); // C++ is an option, but it's a bit fiddly.
} else {
use(labview);
}
}
An experienced FRC programmer using Java (and presumably any other language) can get a passable program running in a matter of hours, not days. Nevertheless, start learning and/or coding ASAP!