object oriented programing questions

Question

Create a Book Structure that contains the Title, Author, and ISBN fields. Then create a Library class that contains a collection of your books Write methods for adding books and finding books.

Sachin Singh · Answer

A quick demo public class Book { public string Title { get ; set ;} public string Author { get ; set ;} public string ISBN { get ; set ;} } public class BookStore { List bookList = null ; public List FillData() { bookList = new List () { new Book(){Title= "title1" ,Author= "Author1" ,ISBN= "bbsk1234" }, new Book(){Title= "title2" ,Author= "Author2" ,ISBN= "bbsk1235" } new Book(){Title= "title3" ,Author= "Author3" ,ISBN= "bbsk1236" } new Book(){Title= "title4" ,Author= "Autho4" ,ISBN= "bbsk1237" } } ; return bookList; } public void AddBook(Book book) { bookList.Add(book); } public Book FindBookByTitle( string title) { return FillData().Where(x=>x.Title==title).SingleOrDefault(); } } static void Main() { BookStore bs= new BookStore(); Book book = new Book(){Title= "myBook" ,Author= "Sachin" ,ISBN= "1234bbbb" } ; bs.AddBook(bs); var book = bs.FindBookByTitle( "title2" ); console.WriteLine(book.ISBN); } Note:- i have done everything in-memory , if you want you can use database to store information.

Rajanikant Hawaldar · Answer

check below article https://www.c-sharpcorner.com/UploadFile/ea3ed6/database-design-for-library-management-system/