Friend Class: A friend class can access the private and protected members of other classes that have declared themselves friends. It can be useful to allow one class to access private members of another class. [sourcecode language=”plain”]your code here[/sourcecode] Example 1: Example 2: Friend Function: Like the friend class, this role can access private and …
A Copy Constructor creates an object by initializing it with a previously created object of the same class. The Copy Constructor is used for the following purposes: Initialize an object of another object of the same type. Copy object and pass to function as an argument. Copy object and return from the function. If the …
Constructor: Constructor is a member function of class. It is mainly used to initialize objects in a class. A constructor called automatically when object is created. This is a special kind of member function of a class. Syntax of Constructor: Types of constructors: In C++, three types of constructors. Default Constructor Parameterized Constructor Copy the …
Static data members are declared using the static keyword and also known as a class member. Even if you have many class objects, the class only has one copy of the static data member. This is because all objects share static data members. Static data members are initialized to zero whenever a first class object …
The term “abstraction” means showing only important information and hiding details. Data abstraction is the provision of important information about the data to the outside world, hiding details and background implementations. In C ++, data abstraction is one of the most important and important features of object-oriented programming. For example: Two Ways of Data Abstraction: …
The term “encapsulation” is to make sure that “sensitive” data is hidden from the user. In oop, encapsulation defined as the combination of information with the functions that control it. In general, encapsulation is the process of packing similar code in one place. C ++ allows you to group data members and functions that work …
The term “polymorphism” is a combination of “poly” and “morph” and means many forms. In C ++, polymorphism is an important feature of object-oriented programming. Simply put, polymorphism can be defined as the ability of a message to be displayed in multiple formats. A real example of polymorphism, at the same time you can have …
The ability of one class to derive properties and properties of another class is called inheritance. Inheritance is the most important characteristics of OOP. What is child class? A class that inherits properties from another class is called a child class and is also called a derived class or subclass. What is parent class? Classes …
Introduction to Access Modifiers in C++: Access modifiers are a technique that is applied to members of a class and restricts access between classes. In C ++, access modifiers can be accomplished using three keywords. Public, private, protected and public members can be accessed from anywhere inside and outside the class, but only within the …
What is a Class? C ++ classes combine data and methods to manipulate data into one. The class also determines the format of the object. The data and methods contained in a class are called class members. Classes are user-defined data types. Use an instance of the class to access the members of the class. …
