public void OpenEbook(string bookName)
{
IEBook book = null;
eBooks.TryGetValue(bookName, out book);
book.show();
}
public void show()
{
if (eBook == null)
{
eBook = new RealEBook(fileName);
}
eBook.show();
}
static void Main(string[] args)
{
// Example 1 - Composition
JetLiner jetliner = new JetLiner();
// initialization of jet's power for jetliner
for (int i = 0; i < jetliner.jets.Length; i++)
{
jetliner.jets[i] = new Jet();
jetliner.jets[i].power = 100;
}
Jet jet = new Jet();
// reinitialization of jet by index 0
jetliner.jets[0] = jet;
//------------------------------
// Example 2 - Nested classes
Container cntr = new Container(5);
// instance of class Nested2
Container.Nested2 nested = new Container.Nested2(cntr, 5);
//------------------------------
// Example 3 - Inheritance
Duck duck = new Duck();
Console.WriteLine(duck.Genus);
duck.Fly();
duck.Swim();
//------------------------------
// Example 4 - base
string genus = "Duck";
Duck duck2 = new Duck(genus);
duck2.Fly();
duck2.Swim();
duck2.Voice();
//----------------------------
// Example 5 - polymorphism
Bird brd = new Bird();
brd.Voice2();
brd = new Duck();
brd.Voice2();
brd = new Chicken();
brd.Voice2();
//---------------------------
// Example 6 - virtual, override, new
A aa = new A();
aa.Method();
aa = new B();
aa.Method();
aa = new C();
aa.Method();
aa = new D();
aa.Method();
aa = new Z();
aa.Method();
aa = new X();
aa.Method();
aa = new R();
aa.Method();
//----------------------------------------
// Example 8 - 2 Interfaces implementation
int book_pages = 365;
Book book = new Book(book_pages);
book.Publish();
//-----------------------------------------
// Example 9 - explicit interface implementation
IPrintedBook printed_book = (IPrintedBook)book;
printed_book.Publish();
IEBook e_book = (IEBook)book;
e_book.Publish();
//------------------------
// Example 10 - IClonable
Bird bird1 = new Bird("Duck");
Bird bird2 = (Bird)bird1.Clone();
//----------------------------------------------
// Example 11 - override of System.Object method
bird1.Equals(bird2);
var customString = bird2.ToString();
Console.WriteLine(customString);
Type type = bird1.GetType();
int hashcode = bird2.GetHashCode();
//-----------------------------------------
// Example 12 - dynamic
dynamic b1 = bird2;
b1.jgdkjslkgjds();// Voice3("Duck");
var b2 = b1;
Type tt = b2.GetType();
}
public void Add(IEBook ebook)
{
ebooks.Add(ebook.GetFileName(), ebook);
}