using System;
using System.Collections.Generic;

namespace HW5
{
	class MainClass
	{
		public static void Main()
		{
			Book[] books;
			List<Book> booksList;
            Book DonQuijote = new Book("DonQuijote", "Cervantes", 1605, 5, 99.99);
            DonQuijote.showBookInfo();
            Console.ReadLine();
        }

		static void showBooksFromArray(Book[] books)
		{
            foreach (Book book in books)
            {
                Console.WriteLine(Book.title);
            }
		}

		static void showBooksFromList(List<Book> books)
		{
			throw new NotImplementedException();
		}
	}
}
using System;
using System.Collections.Generic;

namespace HW5
{
	public class Shelf
	{
		Book[] books = new Book[2];
		List<Book> booksList;
        uint idShelf;
        uint idStellage;

		public Shelf(Book[] books, uint idShelf, uint idStellage)
		{
            this.books = books;
            this.idShelf = idShelf;
            this.idStellage = idStellage;
        }

		public bool addBookToArray(Book item)
		{
            this.books[0] = item;
            return true;
		}

		public bool addBookToList(Book item)
		{
			throw new NotImplementedException();
		}

		public bool removeBookFromArray(Book item)
		{
			throw new NotImplementedException();
		}

		public bool removeBookFromList(Book item)
		{
			throw new NotImplementedException();
		}

		private Book[] resizeBookArray(Book[] items)
		{
            items = new Book[items.Length * 2];
            return items;
        }

		public void showBooksOnShelf()
		{
			throw new NotImplementedException();
		}
	}
}
using System;

namespace HW5
{
	public class Book
	{
		static int count;
        private string title;
        private string author;
        private int year;
        private uint quantity;
        private double price;

        public Book(string title, string author, int year, uint quantity, double price)
		{
            this.title = title;
            this.author = author;
            this.year = year;
            this.quantity = quantity;
            this.price = price;
            count++;
		}

		public void showBookInfo()
		{
            Console.WriteLine("Title: " + title + ", Author:" + author + ", Year: " + year + ", Price: " + price);
		}

		public void showBookCount()
		{
            Console.WriteLine("Quantity of this book: " + quantity);
		}

		public void showLibraryBookCount()
		{
            Console.WriteLine("Quantity of all books in library: " + count);
		}
	}
}