Constructors in C++

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Excited Earthworm answered on August 17, 2021 Popularity 9/10 Helpfulness 1/10

answer Constructors in C++

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Constructors in C++

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-1

https://youtu.be/Jf8RN5c78jE

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Source: Grepper

Tags: c++

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Contributed on Feb 18 2023

Excited Earthworm

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constructor syntax in c++

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struct S {
    int n;
    S(int); // constructor declaration
    S() : n(7) {} // constructor definition.
                  // ": n(7)" is the initializer list
                  // ": n(7) {}" is the function body
};
S::S(int x) : n{x} {} // constructor definition. ": n{x}" is the initializer list
int main()
{
    S s; // calls S::S()
    S s2(10); // calls S::S(int)
}

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Source: en.cppreference.com

Tags: c++

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Contributed on Aug 17 2021

Disgusted Dogfish

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c++ constructor

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// C++ program to demonstrate the use of default constructor

#include <iostream>
using namespace std;

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

  public:
    // default constructor to initialize variable
    Wall() {
      length = 5.5;
      cout << "Creating a wall." << endl;
      cout << "Length = " << length << endl;
    }
};

int main() {
  Wall wall1;
  return 0;
}

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Source: www.programiz.com

Tags: c++

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Contributed on Feb 16 2022

Repulsive Raven

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C++ Constructors

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class  Wall {
  public:
    // create a constructor
    Wall() {
      // code
    }
};

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Source: Grepper

Tags: c++

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Contributed on Jun 13 2022

SAMER SAEID

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Constructors in C++

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