C++-Constructors

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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 ...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 ...read more

How to Implement a Copy Constructor in a Derived Class in C++

Last Updated: 27 March 2024

In object-oriented programming, a copy constructor is a special member function that initializes a new object as a copy of an existing objec ...read more

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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

How to Handle Incorrect Values in a Constructor?

Last Updated: 12 February 2024

In C++, constructors are used to construct and initialize the object of its class. If incorrect values are given to the constructor, then it ...read more

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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

C++ | Constructors | Question 17

Last Updated: 28 June 2021

[sourcecode language="C"]#includeiostreamusing namespace std;class Test{public: Test(Test t) { } Test() { }};Test fun(){ cout ...read more

C++ | Constructors | Question 15

Last Updated: 28 June 2021

[sourcecode language="CPP"]#includeiostreamusing namespace std; class Test{public: Test();}; Test::Test() { cout Constructor Called. ...read more

C++ | Constructors | Question 12

Last Updated: 28 June 2021

Predict the output of following program.[sourcecode language="C"]#includeiostreamusing namespace std;class Point { int x;public: Point ...read more

C++ | Constructors | Question 17

Last Updated: 28 June 2021

Output?[sourcecode language="CPP"]#includeiostream#includestring.husing namespace std;class String{ char *str;public: String(const ch ...read more

C++ | Constructors | Question 9

Last Updated: 28 June 2021

Predict the output of following program.[sourcecode language="C"]#includeiostream#includestdlib.husing namespace std;class Test{public: Te ...read more

C++ | Constructors | Question 8

Last Updated: 28 June 2021

[sourcecode language="CPP"]#include iostreamusing namespace std;class Point{ int x, y;public: Point(int i = 0, int j = 0) { x = i; y = ...read more

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