Problem:
Question 1: Create a program that stores information about vehicles in a multi-dimensional array. Implement the 7 array methods: join, slice, shift, unshift, pop, concat, and sort.
Question 2: Design and implement a set of classes that define various courses in your curriculum. Include information about each course such as the title, number, description, and department that teaches the course. Consider the categories of classes that constitutes your curriculum when designing your inheritance structure. Create a main driver class to instantiate and exercise several of the classes.
Please show your work step by step.