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copy constructor c++ syntax

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Charming Civet answered on April 26, 2020 Popularity 10/10 Helpfulness 2/10

answer copy constructor c++ syntax

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copy constructor c++ syntax

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Point(const Point &p2) {x = p2.x; y = p2.y; }

Popularity 10/10 Helpfulness 2/10 Language cpp

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Tags: c++ copy-constructor syntax

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Contributed on Jan 16 2022

Charming Civet

0 Answers Avg Quality 2/10

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How to make copy constructor in c++

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#include <iostream>
using namespace std;

// declare a class
class Wall {
  private:
    double length;
    double height;

  public:

    // initialize variables with parameterized constructor
    Wall(double len, double hgt) {
      length = len;
      height = hgt;
    }

    // copy constructor with a Wall object as parameter
    // copies data of the obj parameter
    Wall(Wall &obj) {
      length = obj.length;
      height = obj.height;
    }

    double calculateArea() {
      return length * height;
    }
};

int main() {
  // create an object of Wall class
  Wall wall1(10.5, 8.6);

  // copy contents of wall1 to wall2
  Wall wall2 = wall1;

  // print areas of wall1 and wall2
  cout << "Area of Wall 1: " << wall1.calculateArea() << endl;
  cout << "Area of Wall 2: " << wall2.calculateArea();

  return 0;
}

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Source: www.programiz.com

Tags: c++

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Contributed on Jun 11 2022

M A F I A

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create copy constructor c++

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// Copy constructor 
    Point(const Point &p2) {x = p2.x; y = p2.y; } 
  
    int getX()            {  return x; } 
    int getY()            {  return y; } 
};

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Source: Grepper

Tags: c++

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Contributed on Apr 26 2020

Homeless Hawk

0 Answers Avg Quality 2/10

C++ copy constructor

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// Example: Explicit copy constructor
  
#include<iostream>
using namespace std;
  
class Sample
{
    int id;
    public:
    void init(int x)
    {
        id=x;    
    }    
    Sample(){}  //default constructor with empty body
      
    Sample(Sample &t)   //copy constructor
    {
        id=t.id;
    }
    void display()
    {
        cout<<endl<<"ID="<<id;
    }
};
int main()
{
    Sample obj1;
    obj1.init(10);
    obj1.display();
      
    Sample obj2(obj1); //or obj2=obj1;    copy constructor called
    obj2.display();
    return 0;
}

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Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Sep 22 2022

VARAK-VURAK

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copy constructor in c++

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init
second
default
init
second
10

Popularity 7/10 Helpfulness 1/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++ copy-constructor copy-constru

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Contributed on Feb 16 2024

Ankita Bagwe

0 Answers Avg Quality 2/10

C++ Copy Constructor

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-1

// Example: Implicit copy constructor
  
#include<iostream>
using namespace std;
  
class Sample
{          
      int id;
    public:
    void init(int x)
    {
        id=x;    
    }    
    void display()
    {
        cout<<endl<<"ID="<<id;
    }
};
  
int main()
{
    Sample obj1;
    obj1.init(10);
    obj1.display();
      
    Sample obj2(obj1); //or obj2=obj1; 
    obj2.display();
    return 0;
}

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Oct 04 2022

VARAK-VURAK

0 Answers Avg Quality 2/10

copy constructor c++ syntax

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