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Page ix Logical AND 57 Logical OR 58 Logical NOT 58 Relational Precedence 58 More About Truth and Falsehood 59 Summary 60 Q&A 60 Hour 5 Functions 61 What Is a Function? 61 Declaring and Defining Functions 62 Declaring the Function 62 Defining the Function 64 Local Variables 66 Global Variables 68 Function Statements 68 Function Arguments 69 Using Functions as Parameters to Functions 69 Parameters Are Local Variables 69 Return Values 71 Default Parameters 73 Overloading Functions 75 Inline Functions 76 How Functions WorkA Look Under the Hood 78 The Stack and Functions 80 Summary 80 Q&A 81 Part II Classes 83 Hour 6 Basic Classes 85 Creating New Types 85 What Is a Type? 86 Why Create a New Type? 86 Classes and Members 86 Declaring a Class 87 A Word on Naming Conventions 88 Defining an Object 88 Classes Versus Objects 88 Accessing Class Members 89 Assign to Objects, Not to Classes 89 Private Versus Public 89 Make Member Data Private 90
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