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The void Keyword • Some functions do not return a value • Similar to procedures and subroutines • The functions are given the type void void max(int x, int y, int z) { if (y > x) x = y; if (z > x) x = z; cout
The void Keyword • Functions with no parameters are declared (and defined) with parameters of type void /* read a real number */ double readreal(void) { double x; char ch; while (scanf(“%lf”, &x) != 1) { // skip rest of incorrect line do ch = getchar(); while (ch != ‘\n’); printf(“\nIncorrect. Enter a number:\n”; } return x; } 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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Page 65 and 66: Iteration Statements • for-statem
Page 67 and 68: Iteration Statements for (statement
Page 69 and 70: Break and Continue • break; - the
Page 71 and 72: Break and Continue • continue; -
Page 73 and 74: Switch • switch (expression) stat
Page 75 and 76: Switch // example of the switch sta
Page 77 and 78: Conditional Expressions • conditi
Page 79 and 80: conditional expression // example o
Page 81 and 82: The Comma-operator // example of th
Page 83 and 84: Bit Manipulation • The following
Page 85 and 86: Simple Arrays • subscripts can be
Page 87 and 88: Simple Arrays // LIFO: This program
Page 89 and 90: Associativity • Most operators ar
Page 91 and 92: Precedence of Operators • operato
Page 93 and 94: Precedence of Operators Operator Me
Page 95 and 96: Precedence of Operators Operator Me
Page 97 and 98: Arithmetic Conversions • Every ar
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Page 101 and 102: The cast-operator • Example int i
Page 103 and 104: Lvalues • Not lvalues: 3 * 5 i +
Page 105 and 106: Lvalues • The conditional express
Page 107 and 108: Functions // FDEMO1: Demonstration
Page 109 and 110: Functions } float fun(float x, floa
Page 111 and 112: Functions • Key points - The type
Page 113: Functions • Key points - If the d
Page 117 and 118: The void Keyword • In C one norma
Page 119 and 120: Global Variables • Local variable
Page 121 and 122: Scope Resolution #include ; int i =
Page 123 and 124: Functions Altering Variables via Pa
Page 125 and 126: Functions Altering Variables via Pa
Page 127 and 128: Functions Types of Arguments and Re
Page 129 and 130: Functions Initialization • Variab
Page 131 and 132: Functions Initialization • - auto
Page 133 and 134: Functions Initialization #include
Page 135 and 136: Functions Initialization • Initia
Page 137 and 138: Functions Initialization void f(int
Page 139 and 140: Functions Separate Compilation •
Page 141 and 142: Functions Separate Compilation // M
Page 147 and 148: Functions Standard Mathematical Fun
Page 149 and 150: Functions Function Overloading writ
Page 151 and 152: Functions Function Overloading •
Page 153 and 154: Functions Function Overloading •
Page 155 and 156: Functions References as Return Valu
Page 157 and 158: Functions Inline Functions and Macr
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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
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Object-Oriented Programming Interfa
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Object-Oriented Programming A Class
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Object-Oriented Programming Exercis
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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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