A simulation of the Automatic Ticket Vending Machine (ATVM) interface found at railway stations, designed with Human-Machine Interaction (HMI) principles.

This project is a demonstration of How do you design a Vending Machine in Java? which is one of the Java interview questions mostly asked at Senior level Java developer Interviews.

A hacker enticed by the payment method used by the vending machines located on a university campus found a way to get free credit after looking at the inner workings of the machine's accompanying ...