Once the file is unzipped, cd into media-eng folder which will be your working directory for this project.
This package is organized into following subfolders:
contact-service - Implement a ContactService that uses plain Java code.
lightswitch - Write a program that models Light and Switch, and how they work together.
buy5 - Design a single-page e-commerce web app for ‘buy5.com’ where users can purchase
5 items of a given product