We are from team 6630 from La Porte city Iowa. We are new to FRC and have run into an issue with our java programs. We are trying to organize our code into subsystems, but we cannot figure out how to reference other class files into our main project file. We tried making a subsystem in our project, but it will not give us that option. We tried looking around on the internet to no avail

. Thank you for further responses.