Please go to this link to try to sort the problem out. If all else fails, feel free to post about it on the discussion board: remember to indicate what repo you're having the problem in, and what exactly is going wrong.
t-miller/implementing-object-oriented-design-lecture-starters
This repository contains Java projects which accompany the videos for Implementing and Object Oriented Design in UBCx SoftConst2x: Object Oriented Design
Java