Week 3 - Hello World - Refactoring Basics - Design Patterns - Intro

1. Hello World
Week 03

2. Outline
• Console Application
• WebForm Application
• MVC4 Application
• Refactoring Basics
• Design Pattern - Intro

3. Console Application

4. New Project

5. Program.cs

6. Program.cs
class Program
{
static void Main(string[] args)
{
System.Console.WriteLine("Hello World!");
}
}

7. WebForm Application

8. New Project

9. Default.aspx

10. Default.aspx.cs

11. Default.aspx.cs
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Response.Write("Hello World!");
}
}

12. MVC4 Application

13. New Project

14. New Project

15. New Controller

16. HoleController.cs

17. HomeController.cs
public class HomeController : Controller
{
//
// GET: /Home/
public ActionResult Index()
{
ViewBag.Text = "Hello World!";
return View();
}
}

18. View
• _ViewStart.cshtml
• _Layout.cshtml
• Index.cshtml

19. Refactoring Basics

20. Common Factors
• Find common factors over methods and properties
• Refactor them into another method and refer it

21. Design Pattern - Intro

22. Abstract Class – Concrete Class
• Abstract Class
• Duck
• Concrete Class
• MallardDuck
• RedHeadDuck
• RubberDuck
• DecoyDuck

23. Interfaces –
IQuackBehaviour, IFlyBehaviour
• IQuackBehaviour
• Quack();
• IFlyBehaviour
• Fly();

24. Dependency Injection
• Constructor Injection
• Property Injection