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cpp-constructor

37 posts

std::move in Utility in C++ | Move Semantics, Move Constructors and Move Assignment Operators

Last Updated: 02 May 2025

Prerequisites:lvalue referencervalue referenceCopy Semantics (Copy Constructor)References:In C++ there are two types of references-lvalue reference:An lvalue is an express...read more

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Constructor in Multilevel Inheritance in C++

Last Updated: 07 March 2022

Constructor is a class member function with the same name as the class. The main job of the constructor is to allocate memory for class objects. Constructor is automatical...read more

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Constructor in Multiple Inheritance in C++

Last Updated: 23 July 2022

Constructor is a class member function with the same name as the class. The main job of the constructor is to allocate memory for class objects. Constructor is automatical...read more

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How to Define the Constructor Outside the Class in C++?

Last Updated: 23 July 2022

A constructor is a special type of member function whose task is to initialize the objects of its class. It has no return type so can't use the return keyword and it is im...read more

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The Rule of Five in C++

Last Updated: 17 January 2024

The "Rule of Five" is a guideline for efficient and bug-free programming in C++. The Rule of Five states that,If any of the below functions is defined for a class, then it...read more

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C++-Constructors

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C++-Destructors

How to Define the Default Constructor in C++?

Last Updated: 29 January 2024

In C++, a constructor that takes no parameters is called a default constructor. A default constructor gets automatically invoked when an object of a class is created witho...read more

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C++-Constructors

How to Use Initializer Lists in Constructors in C++?

Last Updated: 01 March 2024

In C++, the initializer list in constructors can be used to initialize member variables with a list of values. In this article, we will learn how to use initializer lists ...read more

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C++-Constructors

How to Define a Move Constructor in C++?

Last Updated: 01 March 2024

In C++, we have amove constructor which is a part of C++11 move semantics and is used to handle resources for temporary and rvalue objects. In this article, we will learn ...read more

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C++-Constructors

How to Use Deleted Functions to Prevent Object Copying in C++?

Last Updated: 12 February 2024

In C++, the class always has a copy constructor and assignment operator, whether it is default or user-defined which allows the program to create copies of the objects of ...read more

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How to Implement a Copy Constructor for Deep Copying?

Last Updated: 27 March 2024

In C++, the copy constructor enables us to initialize an object using another object of the same class. In this article, we will learn, how to implement a copy constructor...read more

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C++-Constructors

Why Can't the Default Constructor Be Called with Empty Brackets?

Last Updated: 16 April 2024

In C++, the default constructor is a constructor that has no arguments or default value for all the arguments. If we don't explicitly define a default constructor, the com...read more

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C++-Constructors

How to Declare a Copy Constructor in a Derived Class?

Last Updated: 21 April 2024

In C++, a copy constructor is a constructor that initializes an object as a copy of an existing object of the same class. In this article, we will learn how to declare a c...read more

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Parameterized Constructor in C++

Last Updated: 09 December 2024

In C++, parameterized constructor is a type of constructor that can accept arguments. Parameterized Constructors make it possible to pass arguments to initialize an object...read more

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Importance of Constructors in C++

Last Updated: 17 July 2024

Constructors are special member functions in C++ that are invoked automatically when an object of a class is created. Their primary role is to initialize objects. In this ...read more

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Types of Constructors in C++

Last Updated: 15 July 2024

In C++, there are several types of constructors, each serving a different purpose. Constructors can be classified based on in which situations they are being used. There a...read more

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