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Object-Oriented Programming Virtual Functions and Late Binding • Suppressing the virtual mechanism – in the following function call p[1]->print(); – the function calls the print function for the derived class bird – we can over-ride this with the scope resolution operator p[1]->animal::print(); – in which case the function calls the print function for the derived class animal Copyright © 2007 David Vernon (www.vernon.eu)
Object-Oriented Programming Virtual Functions and Late Binding • Pure virtual functions and abstract classes – We can declare the function print in the base class as a pure virtual function by writing virtual void print() const = 0; – This has some important consequences » the base class now becomes an abstract class » an abstract class cannot be used to create objects (or this type) » they can only be used for the declaration of derived classes Copyright © 2007 David Vernon (www.vernon.eu)
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C++ & Object-Oriented Programming D
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Abstract Data Types • ADTs are an
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ISET: An ADT specification of a set
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ISET Operations • Declare: → S
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ISET Operations • Remove: e × S
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ISET Operations • Assignment: S
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ISET Operations • Intersection: S
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ADT Specification • The key idea
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Simple C++ Program /* Example1: Com
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Key Points • In general, statemen
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Key Points • Output to the ‘sta
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Identifiers • Reserved identifier
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Constants • Character constants -
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Constants • Floating Constants -T
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Constants • String Constants - St
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Constants • String Constants cout
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Exercises 1. Write a program that p
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Exercises 5. Correct the errors in
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Arithmetic Operations • Unary ope
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Arithmetic Operations • Remainder
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Arithmetic Operations • Other ass
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Types, Variables, and Assignments T
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Types, Variables, and Assignments
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Comparison and Logical Operators Op
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Compound Statement • Statements d
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Compound Statement // SCOPE: Illust
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Conditional Statements • Syntax i
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Iteration Statements • while-stat
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Iteration Statements • do-stateme
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Iteration Statements • for-statem
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Iteration Statements for (statement
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Break and Continue • break; - the
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Break and Continue • continue; -
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Switch • switch (expression) stat
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Switch // example of the switch sta
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Conditional Expressions • conditi
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conditional expression // example o
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The Comma-operator // example of th
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Bit Manipulation • The following
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Simple Arrays • subscripts can be
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Simple Arrays // LIFO: This program
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Associativity • Most operators ar
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Precedence of Operators • operato
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Precedence of Operators Operator Me
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Precedence of Operators Operator Me
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Arithmetic Conversions • Every ar
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Arithmetic Conversions • One of t
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The cast-operator • Example int i
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Lvalues • Not lvalues: 3 * 5 i +
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Lvalues • The conditional express
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Functions // FDEMO1: Demonstration
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Functions } float fun(float x, floa
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Functions • Key points - The type
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Functions • Key points - If the d
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The void Keyword • Functions with
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The void Keyword • In C one norma
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Global Variables • Local variable
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Scope Resolution #include ; int i =
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Functions Altering Variables via Pa
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Functions Altering Variables via Pa
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Functions Types of Arguments and Re
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Functions Initialization • Variab
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Functions Initialization • - auto
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Functions Initialization #include
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Functions Initialization • Initia
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Functions Initialization void f(int
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Functions Separate Compilation •
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Functions Separate Compilation // M
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Functions Standard Mathematical Fun
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Functions Function Overloading writ
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Functions Function Overloading •
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Functions Function Overloading •
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Functions References as Return Valu
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Functions Inline Functions and Macr
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Functions Other Preprocessor Facili
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Functions Exercises 7. Write and te
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Functions Exercises #include void
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Arrays, Pointers, and Strings Addre
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Arrays, Pointers, and Strings Addre
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Functions Function Arguments and Ar
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Functions Function Arguments and Ar
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Arrays, Pointers, and Strings Point
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Arrays, Pointers, and Strings Strin
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Arrays, Pointers, and Strings Dynam
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Arrays, Pointers, and Strings Input
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Arrays, Pointers, and Strings Input
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Arrays, Pointers, and Strings Multi
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Arrays, Pointers, and Strings Progr
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Arrays, Pointers, and Strings Progr
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Arrays, Pointers, and Strings In-Me
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Arrays, Pointers, and Strings Exerc
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Classes and Objects Classes and Str
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Classes and Objects Classes as Argu
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Classes and Objects Unions • Unio
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Classes and Objects Member Function
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Classes and Objects Member Access C
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Classes and Objects Constructors an
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Classes and Objects Operator Overlo
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Classes and Objects Copying a Class
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Object-Oriented Programming • Obj
Page 309 and 310: Object-Oriented Programming Interfa
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type - David Vernon

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