Public Class BookStore

public class BookStore {

	public static void main(String[] args) {

		int count = 0;
		Book[] books = new Book[3];

		books[0] = new Book("Hunger Games", "Charles blue", 2016, 60.5);
		books[1] = new Book("The Hobbit", "Michael Lies", 2012, 35.0);
		books[2] = new Book("Harry potter", "J.K. Rowling", 2019, 85.0);

		books[0].updatePrice(20);
		books[1].updatePrice(-10);
		books[2].updatePrice(-40);

		System.out.println("Updated prices:");

		for (int i = 0; i < 3; i++) {
			System.out.println(books[i].name + ": " + books[i].price + " ₪");

			if(books[i].isNew(2020)) count++;
		}
		System.out.println(count + " books are new(were released in the last three years)");

	}

}