public static void Main()
{
Book book1 = new Book();
Book book2 = new Book();
TextBook book3 = new TextBook();
TextBook book4 = new TextBook();
TextBook book5 = new TextBook();
CoffeeTableBook book6 = new CoffeeTableBook();
CoffeeTableBook book7 = new CoffeeTableBook();
CoffeeTableBook book8 = new CoffeeTableBook();
book1.ISBN = 746382918; book1.Title = "This is Life"; book1.Author = "One, Any"; book1.Price = 32;
book2.ISBN = 847362918; book2.Title = "Up and Down"; book2.Author = "One, Any"; book2.Price = 113;
book3.ISBN = 948367123; book3.Title = "Algrebra"; book3.Author = "Guy, That"; book3.Price = 15;
book4.ISBN = 832749210; book4.Title = "Geometry"; book4.Author = "Guy, That"; book4.Price = 90;
book5.ISBN = 109238750; book5.Title = "English"; book5.Author = "Girl, That"; book5.Price = 45;
book6.ISBN = 923850178; book6.Title = "Sports"; book6.Author = "Guy, Some"; book6.Price = 30;
book7.ISBN = 622934749; book7.Title = "Romance"; book7.Author = "Girl, Some"; book7.Price = 105;
book8.ISBN = 847392301; book8.Title = "Politics"; book8.Author = "Guy, A"; book8.Price = 65;
Console.WriteLine();
Console.WriteLine(" {0} - '{1}' by : {2} will cost {3}", book1.ISBN, book1.Title, book1.Author, book1.Price.ToString("C"));
Console.WriteLine();
Console.WriteLine(" {0} - '{1}' by : {2} will cost {3}", book2.ISBN, book2.Title, book2.Author, book2.Price.ToString("C"));
Console.WriteLine();
Console.WriteLine(" {0} - '{1}' by : {2} will cost {3}", book3.ISBN, book3.Title, book3.Author, book3.Price.ToString("C"));
Console.WriteLine();
Console.WriteLine(" {0} - '{1}' by : {2} will cost {3}", book4.ISBN, book4.Title, book4.Author, book4.Price.ToString("C"));
Console.WriteLine();
Console.WriteLine(" {0} - '{1}' by : {2} will cost {3}", book5.ISBN, book5.Title, book5.Author, book5.Price.ToString("C"));
Console.WriteLine();
Console.WriteLine(" {0} - '{1}' by : {2} will cost {3}", book6.ISBN, book6.Title, book6.Author, book6.Price.ToString("C"));
Console.WriteLine();
Console.WriteLine(" {0} - '{1}' by : {2} will cost {3}", book7.ISBN, book7.Title, book7.Author, book7.Price.ToString("C"));
Console.WriteLine();
Console.WriteLine(" {0} - '{1}' by : {2} will cost {3}", book8.ISBN, book8.Title, book8.Author, book8.Price.ToString("C"));
Console.ReadLine();
}
static void Main(string[] args)
{
Book book = new Book();
book.Author = "Mr Men";
book.Title = "BOok Title";
book.Isbn = "1234";
book.Price = 12.50;
Console.WriteLine(book);
TextBook tBook = new TextBook();
tBook.Author = "Mr Men";
tBook.Title = "Invalid Price";
tBook.Isbn = "1234";
try
{
tBook.Price = 12.50;
}
catch (IOException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine(tBook);
TextBook tBook2 = new TextBook();
tBook2.Author = "Mr Men";
tBook2.Title = "Valid Price";
tBook2.Isbn = "1234";
try
{
tBook2.Price = 22.50;
}
catch (IOException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine(tBook2);
CoffeTableBook ctBook = new CoffeTableBook();
ctBook.Author = "Mr Men";
ctBook.Title = "Invalid Price";
ctBook.Isbn = "1234";
try
{
ctBook.Price = 34.99;
}
catch (IOException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine(ctBook);
CoffeTableBook ctBook2 = new CoffeTableBook();
ctBook2.Author = "Mr Men";
ctBook2.Title = "Valid Price";
ctBook2.Isbn = "1234";
try
{
ctBook2.Price = 100;
}
catch (IOException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine(ctBook2);
}
