To run, type: Main {path to the flightSchedule.txt} [{path to the orders.json}] for example: Main /Users/dken/Documents/schedule.txt /Users/dken/Documents/coding-assigment-orders.json
Note that the second path parameter is optional. When provided it will schedule orders and will output the results.
The code requires gson, the jar can be dowloaded here: https://jar-download.com/artifacts/com.google.code.gson/gson/2.8.2/source-code