All 2537 robot programming is done in the Java programming language. Many of the Getting Started examples involved cutting and pasting code, but to become a skilled software engineer, you'll need to be able to read and write code effectively on your own. Spend some time in the Java Gym strengthening your knowledge of Java these training links will help (and they'll help if you take AP Computer Science too):
Sololearn and Tutorials Point Computer Based Java Training
Online GDB Free online editor/compiler/debugger