Yes, Friend functionality is not restricted to only one class. One function can be a friend of many classes.
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#include <iostream> using namespace std; class T4Tutorials_2; class T4Tutorials_1 { private: int n1=1; public: friend int add(T4Tutorials_1, T4Tutorials_2); }; class T4Tutorials_2 { private: int n2=6; public: friend int add(T4Tutorials_1 , T4Tutorials_2); }; int main() { T4Tutorials_1 object1; T4Tutorials_2 object2; cout<<"Sum: "<< add(object1, object2); return 0; } int add(T4Tutorials_1 object1, T4Tutorials_2 object2) { return (object1.n1 + object2.n2); } |
Output
Sum: 7
