cpp-constructor

31 posts

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 ...read more

cpp-class

cpp-constructor

C++

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 lear ...read more

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. ...read more

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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 c ...read more

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 obj ...read more

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 ...read more

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 ...read more

cpp-constructor

C++

Picked

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 obje...read more

cpp-constructor

cpp-inheritance

C++

Geeks-Premier-League-2022

Geeks Premier League

Life cycle of Objects in C++ with Example

Last Updated: 04 August 2021

In Object Oriented Programming, Objects are the instances of a class which has its own state(variables) and behavior(methods).Every class ha...read more

Is body of a Default Constructor blank in C++?

Last Updated: 16 June 2022

The answer to this question depends upon 2 scenarios:Scenario 1: When there is a Virtual function in the program: In this scenario, compiler ...read more

C++ Interview questions based on constructors/ Destructors.

Last Updated: 28 August 2018

1. What is destructor?Ans. Destructor is a member function which is called when an object is deleted/destroyed or goes out of scope.[sourcec ...read more

cpp-constructor

cpp-destructor

C++

Preventing Object Copy in C++ (3 Different Ways)

Last Updated: 24 September 2017

Many times, user wants that an instance of a C++ class should not be copied at all. So, the question is how do we achieve this ?There are th ...read more

Last Updated: 08 January 2024

This rule basically states that if a class defines one (or more) of the following, it should explicitly define all three, which are:destruct ...read more

cpp-constructor

cpp-destructor

C++

How to make a C++ class whose objects can only be dynamically allocated?

Last Updated: 21 June 2022

The problem is to create a class such that the non-dynamic allocation of object causes compiler error. For example, create a class 'Test' wi ...read more

cpp-constructor

C Language

C++

When Does Compiler Create Default and Copy Constructors in C++?

Last Updated: 24 May 2022

A constructor is a special type of member function of a class that initializes objects of a class. In C++, Constructor is automatically call ...read more

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