BCORE-2

IF YOU HAVE TAKEN CSA:
-Download WPILIB (programming library for FRC) at https://docs.wpilib.org/en/latest/docs/zero-to-robot/step-2/wpilib-setup.html 
-Install all software, and check out the documentation at https://docs.wpilib.org/en/latest/docs/zero-to-robot/introduction.html 
-Code a (hopefully) functional drivetrain using this rough tutorial--https://docs.wpilib.org/en/latest/docs/zero-to-robot/step-4/creating-te… check out your code and make sure you understand the basics of Java and WPILIB before we dive into subsystems, swerve drive, and odometry later on.

IF YOU HAVE NOT TAKEN CSA:
-Check out this Java textbook https://runestone.academy/ns/books/published/csawesome/index.html; specifically units 1 2 3 4 5 and 9- super useful basics of Java, try to understand syntax and context.