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C++ OOP

1. Fundamentals of OOP

Introduction to Object-Oriented Programming Why use Object-Oriented Programming?Class Creation Syntax Attributes of the Class Methods of the Class Static Members of The Class The This Keyword Classes and Objects Overview

2. Constructors and Destructors

What is a Constructor of the Class Constructor and Attributes Constructor Initialization List Initialization List Practice Constructor Delegation Constructor Delegation Practice What is a Destructor of the Class Copy Constructors Constructors and Destructors Practice

3. Encapsulation Overview

Introduction to Encapsulation Access Modifiers Keywords Access Modifiers Practice Accessor and Mutator Methods Access and Mutator Practice Segmentation and Aggregation The Friend Keyword

4. Inheritance Overview

Introduction to Inheritance Access Modifiers in Inheritance Mulptiple Inheritance Constructor and Destructor in Inheritance Diamond Inheritance The Final Keyword

5. Polymorphism Overview

Introduction to Polymorphism Virtual and Override Keywords Pure Virtual Method Operator Overloading Summary and Overview

Methods of the Class

Understanding methods

Methods in a class are essentially just functions that are defined within the class. They are used to define the behaviors or actions that objects of the class can perform.

Example

Typical methods a class Car might include:

        • accelerate()
        • brake()
        • honk()

Methods often manipulate the attributes of the class or perform operations that are relevant to the objects.

Implementation of methods outside the class

Methods can be defined outside the class declaration using the scope resolution operator (::). This is often done to separate the declaration in the header file from its implementation in the source file. Here's how you would do it:

Example


              1234
            
class Example {
public:
    void Method();
};

It's not mandatory to create two distinct files for this purpose; you can achieve it within a single file, and in certain situations, it proves to be beneficial.

main


              12345678
            
#include <iostream>

class Example {
public:
    void Method();
};

void Example::Method() { std::cout << "Method was called" << std::endl; }

Feel free to tackle the task using the method of your preference. But the common good practice is to separate declaration and implementation.

Завдання

Swipe to show code editor

Implement area() and perimeter() methods in a Square class.
Call this methods using instance of the class in the main function.
Output the area and perimeter of the square object using methods you created.

Перейдіть на комп'ютер для реальної практикиПродовжуйте з того місця, де ви зупинились, використовуючи один з наведених нижче варіантів

Все було зрозуміло?

Дякуємо за ваш відгук!

Секція 1. Розділ 5

Methods of the Class

Understanding methods

Methods in a class are essentially just functions that are defined within the class. They are used to define the behaviors or actions that objects of the class can perform.

Example

Typical methods a class Car might include:

        • accelerate()
        • brake()
        • honk()

Methods often manipulate the attributes of the class or perform operations that are relevant to the objects.

Implementation of methods outside the class

Example


              1234
            
class Example {
public:
    void Method();
};

It's not mandatory to create two distinct files for this purpose; you can achieve it within a single file, and in certain situations, it proves to be beneficial.

main


              12345678
            
#include <iostream>

class Example {
public:
    void Method();
};

void Example::Method() { std::cout << "Method was called" << std::endl; }

Feel free to tackle the task using the method of your preference. But the common good practice is to separate declaration and implementation.

Завдання

Swipe to show code editor

Implement area() and perimeter() methods in a Square class.
Call this methods using instance of the class in the main function.
Output the area and perimeter of the square object using methods you created.

Все було зрозуміло?

Дякуємо за ваш відгук!

Секція 1. Розділ 5

Methods of the Class

Understanding methods

Methods in a class are essentially just functions that are defined within the class. They are used to define the behaviors or actions that objects of the class can perform.

Example

Typical methods a class Car might include:

        • accelerate()
        • brake()
        • honk()

Methods often manipulate the attributes of the class or perform operations that are relevant to the objects.

Implementation of methods outside the class

Example


              1234
            
class Example {
public:
    void Method();
};

It's not mandatory to create two distinct files for this purpose; you can achieve it within a single file, and in certain situations, it proves to be beneficial.

main


              12345678
            
#include <iostream>

class Example {
public:
    void Method();
};

void Example::Method() { std::cout << "Method was called" << std::endl; }

Feel free to tackle the task using the method of your preference. But the common good practice is to separate declaration and implementation.

Завдання

Swipe to show code editor

Implement area() and perimeter() methods in a Square class.
Call this methods using instance of the class in the main function.
Output the area and perimeter of the square object using methods you created.

Все було зрозуміло?

Дякуємо за ваш відгук!

Understanding methods

Methods in a class are essentially just functions that are defined within the class. They are used to define the behaviors or actions that objects of the class can perform.

Example

Typical methods a class Car might include:

        • accelerate()
        • brake()
        • honk()

Methods often manipulate the attributes of the class or perform operations that are relevant to the objects.

Implementation of methods outside the class

Example


              1234
            
class Example {
public:
    void Method();
};

It's not mandatory to create two distinct files for this purpose; you can achieve it within a single file, and in certain situations, it proves to be beneficial.

main


              12345678
            
#include <iostream>

class Example {
public:
    void Method();
};

void Example::Method() { std::cout << "Method was called" << std::endl; }

Feel free to tackle the task using the method of your preference. But the common good practice is to separate declaration and implementation.

Завдання

Swipe to show code editor

Implement area() and perimeter() methods in a Square class.
Call this methods using instance of the class in the main function.
Output the area and perimeter of the square object using methods you created.

Секція 1. Розділ 5