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Overview ,[object Object],[object Object],[object Object],Slide 15-

Inheritance Basics ,[object Object],[object Object],[object Object],[object Object],Slide 15-

Employee Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

A Base Class ,[object Object],[object Object],[object Object],Slide 15- Display 15.1 Display 15.2

Function print_check ,[object Object],[object Object],[object Object],Slide 15-

Class HourlyEmployee ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15- Display 15.3

Inherited Members ,[object Object],[object Object],[object Object],[object Object],Slide 15-

Implementing a Derived Class ,[object Object],[object Object],[object Object],Slide 15- Display 15.5

Class SalariedEmployee ,[object Object],[object Object],[object Object],[object Object],Slide 15- Display 15.4 Display 15.6 (1-2)

Parent and Child Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

Derived Class Types ,[object Object],[object Object],[object Object],[object Object],Slide 15-

Derived Class Constructors ,[object Object],[object Object],[object Object],Slide 15- Any Employee constructor could be invoked

Default Initialization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

Private is Private ,[object Object],[object Object],[object Object],[object Object],Slide 15-

The protected Qualifier ,[object Object],[object Object],Slide 15-

Programming Style ,[object Object],[object Object],[object Object],[object Object],Slide 15-

Redefinition of Member Functions ,[object Object],[object Object],[object Object],[object Object],Slide 15- Display 15.7 (1-2)

Redefining or Overloading ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

Function Signatures ,[object Object],[object Object],[object Object],Slide 15-

Access to a Redefined Base Function ,[object Object],[object Object],Slide 15-

Section 15.1 Conclusion ,[object Object],[object Object],[object Object],Slide 15-

Inheritance Details ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

Copy Constructors and Derived Classes ,[object Object],[object Object],[object Object],Slide 15-

Operator = and Derived Classes ,[object Object],[object Object],Slide 15-

Destructors and Derived Classes ,[object Object],[object Object],Slide 15-

The Assignment Operator ,[object Object],[object Object],[object Object],Slide 15-

The Operator = Implementation ,[object Object],[object Object],[object Object],Slide 15-

The Copy Constructor ,[object Object],[object Object],[object Object],Slide 15-

Destructors in Derived Classes ,[object Object],[object Object],[object Object],Slide 15-

Destruction Sequence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

Polymorphism ,[object Object],[object Object],Slide 15-

A Late Binding Example ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

A Problem ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

Virtual Functions ,[object Object],[object Object],[object Object],Slide 15-

Virtual Functions in C++ ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

The Sale Class ,[object Object],[object Object],[object Object],[object Object],Slide 15- Display 15.8 Display 15.9

Virtual Function bill ,[object Object],[object Object],[object Object],Slide 15-

DiscountSale::bill ,[object Object],[object Object],[object Object],[object Object],Slide 15- Display 15.10 Display 15.11

Virtual Details ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

Overriding ,[object Object],[object Object],Slide 15-

Type Checking ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

Type Checking and Inheritance ,[object Object],Slide 15-

A Sliced Dog is a Pet ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 15-

The Slicing Problem ,[object Object],[object Object],[object Object],Slide 15-

Extended Type Compatibility ,[object Object],[object Object],Slide 15-

Dynamic Variables and Derived Classes ,[object Object],[object Object],Slide 15- void Dog::print( ) { cout << "name: " << name << endl; cout << "breed: " << breed << endl; } Pet *ppet; Dog *pdog; pdog = new Dog; pdog->name = "Tiny"; pdog->breed = "Great Dane"; ppet = pdog; Display 15.12 (1-2)

Use Virtual Functions ,[object Object],[object Object],Slide 15-

Why? ,[object Object],[object Object],[object Object],[object Object],Slide 15-

Remember Two Rules ,[object Object],[object Object],[object Object],Slide 15-

Virtual Compilation ,[object Object],[object Object],[object Object],Slide 15-

Virtual Destructors ,[object Object],[object Object],[object Object],[object Object],Slide 15-

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