Sams Teach Yourself C++ in 21 Days

Advanced Inheritance 547

16

30: };

31:

32: Employee::Employee():

33: itsFirstName(“”),

34: itsLastName(“”),

35: itsAddress(“”),

36: itsSalary(0)

37: {}

38:

39: Employee::Employee(char * firstName, char * lastName,

40: char * address, long salary):

41: itsFirstName(firstName),

42: itsLastName(lastName),

43: itsAddress(address),

44: itsSalary(salary)

45: {}

46:

47: Employee::Employee(const Employee & rhs):

48: itsFirstName(rhs.GetFirstName()),

49: itsLastName(rhs.GetLastName()),

50: itsAddress(rhs.GetAddress()),

51: itsSalary(rhs.GetSalary())

52: {}

53:

54: Employee::~Employee() {}

55:

56: Employee & Employee::operator= (const Employee & rhs)

57: {

58: if (this == &rhs)

59: return *this;

60:

61: itsFirstName = rhs.GetFirstName();

62: itsLastName = rhs.GetLastName();

63: itsAddress = rhs.GetAddress();

64: itsSalary = rhs.GetSalary();

65:

66: return *this;

67: }

68:

69: int main()

70: {

71: cout << “Creating Edie...\n”;

72: Employee Edie(“Jane”,”Doe”,”1461 Shore Parkway”, 20000);

73: Edie.SetSalary(20000);

74: cout << “Calling SetFirstName with char *...\n”;

75: Edie.SetFirstName(“Edythe”);

76: cout << “Creating temporary string LastName...\n”;

77: String LastName(“Levine”);

78: Edie.SetLastName(LastName);

79:

80: cout << “Name: “;

LISTING16.3 continued