1. Java Programming: From Problem Analysis to Program Design, 3e Chapter 8 User-Defined Classes and ADTs

6. Syntax The general syntax for defining a class is:

14. Unified Modeling Language Class Diagrams

16. Variable Declaration and Object Instantiation (continued)

17. Variable Declaration and Object Instantiation (continued)

21. Assignment Operator: A Precaution (continued)

22. Definitions of the Constructors and Methods of the class Clock

23. Definitions of the Constructors and Methods of the class Clock (continued)

24. Definitions of the Constructors and Methods of the class Clock (continued)

25. Definitions of the Constructors and Methods of the class Clock (continued)

26. Definitions of the Constructors and Methods of the class Clock (continued)

27. Definitions of the Constructors and Methods of the class Clock (continued)

28. Definitions of the Constructors and Methods of the class Clock (continued)

29. Definitions of the Constructors and Methods of the class Clock (continued)

30. Definitions of the Constructors and Methods of the class Clock (continued)

31. Definitions of the Constructors and Methods of the class Clock (continued)

32. Definitions of the Constructors and Methods of the class Clock (continued)

33. Default Constructor or

34. Constructor with Parameters or

36. The Copy Constructor (continued)

38. Method toString : class Clock

41. Static Members of a Class (continued) void setX( int a) { x = a; } public String toString() { return ("x = " + x + ", y = " + y + ", count = " + count); } public static void incrementY() { y++; } } Illustrate illusObject = new Illustrate(); Illustrate.incrementY(); Illustrate.count++;

42. Static Members of a Class (continued) Illustrate illusObject1 = new Illustrate(3); Illustrate illusObject2 = new Illustrate(5);

43. Static Members of a Class (continued) Illustrate.incrementY(); Illustrate.count++;

53. Programming Example: Candy Machine (continued)

54. Programming Example: Candy Machine (continued)

55. Programming Example: Candy Machine (continued)

56. Programming Example: Candy Machine (continued)

57. Programming Example: Candy Machine (continued)

58. Programming Example: Candy Machine (continued)