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Classes and Objects Operator Overloading and Friend Functions • Example: vector addition –let u = (x u , y u ) and v = (x v , y v ) – the vector sum s = (x s , y s )= u + v is given by x s = x u + x v y s = y u + y v • We will overload the addtion operator + for vectors so that we can write s = u + v; Copyright © 2007 David Vernon (www.vernon.eu)
Classes and Objects Operator Overloading and Friend Functions // OPERATOR: an operator function for vector addition #include class vector { public: vector(float xx=0, float yy=0) { x = xx; y = yy; } void printvec()const; void getvec(float &xx, float &yy)const { xx = x; yy = y; } private: float x, y; }; 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
Page 233 and 234: Classes and Objects Classes and Str
Page 245 and 246: Classes and Objects Classes as Argu
Page 257 and 258: Classes and Objects Unions • Unio
Page 259 and 260: Classes and Objects Member Function
Page 265 and 266: Classes and Objects Member Access C
Page 271 and 272: Classes and Objects Constructors an
Page 283: Classes and Objects Operator Overlo
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Page 301 and 302: Classes and Objects Copying a Class
Page 307 and 308: Object-Oriented Programming • Obj
Page 309 and 310: Object-Oriented Programming Interfa
Page 311 and 312: Object-Oriented Programming A Class
Page 327 and 328: Object-Oriented Programming Exercis
Page 333 and 334: Object-Oriented Programming Derived
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Object-Oriented Programming Derived
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Object-Oriented Programming Virtual
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Object-Oriented Programming Static
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Object-Oriented Programming Polymor
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Object-Oriented Programming Exercis
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Object-Oriented Programming Exercis
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type - David Vernon

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