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C++ School Programming cpp-constructor

Constructors in C++

What is constructor? A constructor is a member function of a class which initializes objects of a class. In C++, Constructor is automatically called when object(inst...
C C++ C

When should we write our own copy constructor?

C++ compiler provide default copy constructor (and assignment operator) with class. When we don’t provide implementation of copy constructor (and assignment op...
C C++ GFacts

When is copy constructor called?

In C++, a Copy Constructor may be called in following cases: 1. When an object of the class is returned by value. 2. When an object of the class is passed (to a func...
C C++ C

Does C++ compiler create default constructor when we write our own?

In C++, compiler by default creates default constructor for every class. But, if we define our own constructor, compiler doesn’t create the default constructo...
C++ School Programming cpp-constructor

Copy Constructor in C++

We have discussed introduction to Constructors in C++. In this post, copy constructor is discussed. What is a copy constructor? A copy constructor is a member func...
C C++ C

C++ default constructor Built-in types

Predict the output of following program? #include <iostream> using namespace std;    int main() {       cout <...
C C++ cpp-constructor

When does compiler create default and copy constructors in C++?

In C++, compiler creates a default constructor if we don’t define our own constructor (See this). Compiler created default constructor has empty body, i.e., it...
C C++ cpp-constructor

Why copy constructor argument should be const in C++?

When we create our own copy constructor, we pass an object by reference and we generally pass it as a const reference. One reason for passing const reference is, we ...
C C++ School Programming

C++ Internals Default Constructors Set 1

A constructor without any arguments or with default value for every argument, is said to be default constructor. What is the significance of default constructor?...
C C++ cpp-constructor

Is it possible to call constructor and destructor explicitly?

All the days of the afflicted are evil but he that is of a merry heart hath a continual feast. Proverbs 15:15 (Bible) Constructor is a special member function that...

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