please explain me the code with correct syntax. I am not getting it

please explain using java language and write me a correct code so I can learn accordingly here is the question

Q1. The KOI Bookstore needs a new checkout system. You need to create an application to allow Cashiers to enter Book IDs and quantities to add to order. In this first question, you will need to use classes and Lists to perform the below tasks : - The program will create a Book class to include ID, Title, and its price. - It will then create 5 book objects (with different IDs, Titles, and prices) and add them to a list. - Print the list of books in a tabular format on the screen Q2. Continuing with the same program as in Q2. Add code to complete below tasks - The program will ask the user to enter a book ID and quantity to add to order, until user enters 0000 as the book ID to stop - The program will calculate total (by searching for the book ID in the list and adding its price based on the quantity to total) - At the end it will display the order and total.