Untitled

Book book = new Book("Pride and prejudice", "Jane Austen");



Book book2 = new Book();



//book.isbn = "9780141439518";
//book.price = 9.5f;



//book.printInfo();
//book.printPrice();



//Console.WriteLine("-----------------------");



//book.printInfo("Jag gillar gröt");



//Console.WriteLine("-----------------------");



//book2.printInfo();



book.setIsbn("9780141439518");
book.setPrice(8.5f);



book.printInfo();
book.printPrice();




class Book
{
    private string author;
    string isbn;
    string title;
    float price;



   public Book()
    {
        this.title = "-";
        this.isbn = "-";
        this.author = "-";
    }



   public Book(string title, string author)
    {
        this.title = title;
        this.author = author;
        this.isbn = "";
    }



   public string getAuthor()
    {
        return author;
    }
    public string getIsbn()
    {
        return this.isbn;
    }
    public void setIsbn(string isbn)
    {
        this.isbn = isbn;   
    }
    public void setPrice(float price)
    {
        this.price = price;
    }



   public void printInfo()
    {
        Console.WriteLine("Book info: ");
        Console.WriteLine("Title: " + this.title);
        Console.WriteLine("Author: " + this.author);
        Console.WriteLine("ISBN: " + this.isbn);
    }



   public void printInfo(string message)
    {
        Console.WriteLine("Book info: ");
        Console.WriteLine("Title: " + this.title);
        Console.WriteLine("Author: " + this.author);
        Console.WriteLine("ISBN: " + this.isbn);
        Console.WriteLine("With message: " + message);
    }



   public void printPrice()
    {
        Console.WriteLine("The price of the book is: " + this.price + " euro!");
    }
}