IBM interview question

Design a parking system using Object-Oriented Techniques. Explain the difference between operator overloading and operator overriding. Reverse a linked list using Object-Oriented language. With respect to my resume, I was asked why I chose Node.js as my choice of framework for the backend. Why not Java? With respect to my resume, asked me about the hackathons and my most complex project. What were the issues I faced while doing the project and how did I overcome them?