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C++ friend keyword -2

VARAK-VURAK answered on September 19, 2022 Popularity 1/10 Helpfulness 1/10

answer C++ friend keyword -2

related C++ friend keyword -3 (friend class)

C++ friend keyword -2

Comment

// C++ program to demonstrate the working of friend function

#include <iostream>
using namespace std;

class Distance {
    private:
        int meter;
        
        // friend function
        friend int addFive(Distance);

    public:
        Distance() : meter(0) {}
        
};

// friend function definition
int addFive(Distance d) {

    //accessing private members from the friend function
    d.meter += 5;
    return d.meter;
}

int main() {
    Distance D;
    cout << "Distance: " << addFive(D);
    return 0;
}

Popularity 1/10 Helpfulness 1/10 Language cpp

Source: www.programiz.com

Tags: c++ friend keyword

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Contributed on Sep 19 2022

VARAK-VURAK

0 Answers Avg Quality 2/10

Closely Related Answers

C++ friend keyword -3 (friend class)

Comment

// C++ program to demonstrate the working of friend class

#include <iostream>
using namespace std;

// forward declaration
class ClassB;

class ClassA {
    private:
        int numA;

        // friend class declaration
        friend class ClassB;

    public:
        // constructor to initialize numA to 12
        ClassA() : numA(12) {}
};

class ClassB {
    private:
        int numB;

    public:
        // constructor to initialize numB to 1
        ClassB() : numB(1) {}
    
    // member function to add numA
    // from ClassA and numB from ClassB
    int add() {
        ClassA objectA;
        return objectA.numA + numB;
    }
};

int main() {
    ClassB objectB;
    cout << "Sum: " << objectB.add();
    return 0;
}
//Sum: 13

Popularity 8/10 Helpfulness 2/10 Language cpp

Source: www.programiz.com

Tags: keyword friend c++ c

Link to this answer
Share Copy Link

Contributed on Sep 19 2022

VARAK-VURAK

0 Answers Avg Quality 2/10

C++ friend keyword -2

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C++ friend keyword -3 (friend class)

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