b) In the main method:

- Create 4 objects of a type TV and add them into a multi-dimensional array of a size [2][2].

- Print all the elements of the multi-dimensional array in the form of rows and columns using loop.

- Implement an ArrayList of type TV.

- Add 3 TV objects (tv1, tv2, tv3).

- Print the ArrayList using for loop

- Check if tv2 existing inside the list.

- Print the index of tv2.

- Delete all elements of the ArrayList at once.