Class BookShop

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Zad4
{
    class BookShop
    {
        public BookShop (string bookTitle, string bookAuthor, int bookPublishDate, double bookPrice)
        {
            _bookTitle = bookTitle;
            _bookAuthor = bookAuthor;
            _bookPublishDate = bookPublishDate;
            _bookPrice = bookPrice;
        }

        public string bookTitle { get { return _bookTitle; } }
        private readonly string _bookTitle;
        public string bookAuthor { get { return _bookAuthor; } }
        private readonly string _bookAuthor;
        public int bookPublishDate { get { return _bookPublishDate; } }
        private readonly int _bookPublishDate;
        public double bookPrice { get { return _bookPrice; } }
        private readonly double _bookPrice;

        public bool ReleaseBookDateBefore2010()
        {
            return bookPublishDate < 2011;
        }
        public bool LemsBook()
        {
            return bookAuthor == "Lem";
        }


    }
}