Assignment: Implement a Flight Booking System

Objective:

You will develop parts of a simple Flight Booking System based on the Java skeleton created in the

previous assignment. This system will involve persisting data using object serialization, and

implementing search functionality that works against persisted data. It also involves creating and

using a custom exception type.

Tasks:

$1.$ Add flights:

Implement a method to add new flights. Make it possible to enter the arrival and

departure times using a time zone.