In this course you will have the option to use a relatively new language Julia.
Keep in mind that you are not expected to have a strong background in programming (with Julia or otherwise). The programs you will write will use only a tiny subset of Julia's (many and powerful) features. If you look at the Julia documentation, please don't panic because you don't know what a low level virtual machine is, or what multiple dispatch is. You're not going to need to know any of this.
The first review session will focus on Julia
The following slides might also be helpful.