ซอฟต์แวร์พัฒนาระบบฐานข้อมูล บทที่ 8 Object-Oriented Software Design

1. ซอฟต์แวร์พัฒนาระบบฐานข้อมูลบทที่ 8 Object-Oriented Software Design ปริญญา น้อยดอนไพร สาขาวิชาวิทยาการคอมพิวเตอร์ คณะวิทยาศาสตร์และเทคโนโลยี มหาวิทยาลัยราชภัฏสุราษฎร์ธานี

2. Object-Oriented Software Design • Object-Oriented Concept • Introduction to Object-Oriented Software Design

3. Object-Oriented Concept • Object & Class • Inheritance (การสืบทอด) • Polymorphism • Encapsulation • Class Relationship

4. Introduction to Object-Oriented Software Design

5. Object-Oriented Concept • Object & Class • Inheritance • Polymorphism • Encapsulation • Class Relationship

6. Object • Object World • Message • Method/Operation • Interface • Event • Responsibilities

7. Object

8. Click ( ) Object

9. Deliver (Mail) Object Person Post Office Deliver Send Mail

10. Sell (10 Baht, Pepsi) Object Person Vending Machine Sell Buy Pepsi

11. MoveToFloor (3) Object Person Elevator MoveToFloor Open Close Go to 3rd floor

12. Class Person Somchai Somsri Somsak Somying

13. Class Student Somchai Somsri Somsak Somying

14. Class Tennis Player Paradorn Venus Marat Martina

15. Class Institute Social Technology Engineering Science Agricultural Technology

16. Class • Template • Name • Attributes • Operations • Responsibilities

17. Class

18. Class

19. Class

20. Class

21. Class

22. Student Somchai Somsri Somsak Somying Object & Class

23. Student Somchai Somsri Somsak Somying Object & Class

24. Object & Class Student Somchai Somsri Somsak Somying

26. Object-Oriented Concept • Object & Class • Inheritance • Polymorphism • Encapsulation • Class Relationship

27. Cat Dog Person Inheritance Animal

28. Bus Truck Car Inheritance Land Vehicle

29. Sales Transaction Rental Transaction Lease Transaction Inheritance Transaction

30. Inheritance • Class Hierarchy • Sub Class • Super Class • Reusability • Overriding

31. Bus Truck Inheritance Land Vehicle Car Toyota Vios Altis Camry

32. Sales Transaction Rental Transaction Lease Transaction transNo transDate transTime etc… quantitySold… transNo transDate transTime etc… memberNo… transNo transDate transTime etc… duration… Transaction transNo transDate transTime etc…

33. Object-Oriented Concept • Object & Class • Inheritance • Polymorphism • Encapsulation • Class Relationship

34. Polymorphism DrawChart(1,2,1,2) DrawRect(1,2,1,2) DrawChart DrawTriangle(1,1,1) DrawCircle(1) DrawChart(1,1,1) DrawChart(1)

35. Polymorphism • Add(integer, integer) • Add(string, string) • Add(string, integer) • Add(1,1)  2 • Add(“Hello”, “World”)  “HelloWorld” • Add(“Hello”, 2)  “Hello2” • Add(2, “Hello”)  ?

36. Polymorphism :HourlyPaidEmployee calculatePay()  :PaySlip :WeeklyPaidEmployee getTotalPay() calculatePay() :MonthlyPaidEmployee calculatePay()

37. Polymorphism • Overloading

38. Object-Oriented Concept • Object & Class • Inheritance • Polymorphism • Encapsulation • Class Relationship

39. Encapsulation • Abstraction • Information Hiding • Security

40. Encapsulation

41. Sell (10 Baht, Pepsi) Encapsulation Person Vending Machine Sell Buy Pepsi

42. Object-Oriented Concept • Object & Class • Inheritance • Polymorphism • Encapsulation • Class Relationship

43. Class Relationship • Association • Aggregation • Composition • Generalization

44. Class Relationship • Association Pilot Planes

45. Class Relationship • Association • Son – Father • Customer – Operator • User - Computer

46. Class Relationship • Composition Car Engine Seat Wheel

47. Class Relationship • Composition • Car – Wheel, Engine, Seat • House – Window, Roof, Door, Wall • Computer – Monitor, CPU, Keyboard • Building – Rooms • Circle – Points • Book - Chapter

48. Class Relationship • Aggregation Classroom Student

49. Class Relationship • Aggregation • Classroom – Student • Keyboard – Key • Notebook – Paper • Computer – Monitor, CPU, Keyboard

50. Bus Truck Car Class Relationship • Generalization Land Vehicle