'Friend function' presentation slideshows

OPERATOR OVERLODING

1.23k views • 98 slides

Chapter 14

Chapter 14. More About Classes. Instance and Static Members. Instance variable : A member variable in a class Each object has its own copy static variable: One variable shared among all objects of a class static member function : Can be used to access static member variable

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Topics

Topics. 11.1 The this Pointer and Constant Member Functions 11.2 Static Members 11.3 Friends of Classes 11.4 Memberwise Assignment 11.5 Copy Constructors 11.6 Operator Overloading 11.7 Type Conversion Operators. Topics (continued). 11.8 Convert Constructors

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Chapter 8: Operator Overloading

Chapter 8: Operator Overloading. Outline 8.1 Introduction 8.2 C onst (Constant) Objects and const Member Functions 8.3 Friend Function and Friend Classes 8.4 Overloading Unary Operators 8.5 Overloading Binary Operators

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Starting Out with C++ Early Objects Eighth Edition

Chapter 11: More About Classes and Object-Oriented Programming. Starting Out with C++ Early Objects Eighth Edition by Tony Gaddis, Judy Walters, and Godfrey Muganda. Topics. 11.1 The this Pointer and Constant Member Functions 11.3 Friends of Classes

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Ugly Realities

Ugly Realities. The Dark Side of C++ Chapter 12. Ugly Realities. In C++ we can pass objects to functions, use an object to initialize another object, and set an object equal to another object of the same type (assignment). All of these actions involve copying an object.

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Chapter 20 - Polymorphism

Chapter 20 - Polymorphism. Outline 20.5 Polymorphism 20.6 Case Study: A Payroll System Using Polymorphism 20.7 New Classes and Dynamic Binding 20.8 Virtual Destructors 20.9 Case Study: Inheriting Interface and Implementation

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Chapter 11

Chapter 11. More about classes and OOP. Relationships Between Classes. Possible relationships Access ("uses-a") Ownership/Composition ("has-a") Inheritance ("is-a"). Friend Function Declarations. Friend function may be a stand-alone function: class aClass { private:

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Review of Function Overloading

Review of Function Overloading. Allows different functions to have the same name if they have different types or numbers of arguments, e.g. int sqr(int x) { return x*x; } double sqr(double x) { return x*x; } double sqr(double x, double y) { return x*y; } int i = 2; double x = 1.2, y = 2.0;

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Stream I/O Operators and Friend Functions

Stream I/O Operators and Friend Functions. Stream I/O Background. <iostream.h> contains declarations for classes istream ostream cin is an istream object cout is an ostream object. Stream I/O Background (continued).

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Friend Function

Friend Function. Friend Function. Any data which is declared private inside a class is not accessible from outside the class . A non-member function cannot have an access to the private data of a class.

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Classes Friends

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Classes Friends

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Friend Class

Friend Class. Friend Class. Like friend function a class can also be declared as friend of other class. When a class is created as friend class then all the member functions of the friend class also become the friend of the other class .

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