// C++ program to demonstrate example of// friend function with class#include <iostream>usingnamespacestd;classNumber{private:inta;public:voidgetNum(intx);//declaration of friend functionfriendvoidprintNum(Number NUM); };//class member function definitionsvoidNumber::getNum(intx)...
In this case, the non-member function must be designated as a friend function of the class. Thus the friend function be able to access all members of the object, even protected members of the base class of the object. The friend function declaration form is as shown below: ...
width <<endl; } // Main function for the program int main() { Box box; // set box width without member function box.setWidth(10.0); // Use friend function to print the wdith. printWidth( box ); return 0; } When the above code is compiled and executed, it produces the following...
width << endl; } // Main function for the program int main() { Box box; // set box width without member function box.setWidth(10.0); // Use friend function to print the wdith. printWidth( box ); return 0; } 复制尝试一下 ...
// classes_as_friends1.cpp // compile with: /c class B; class A { public: int Func1( B& b ); private: int Func2( B& b ); }; class B { private: int _b; // A::Func1 is a friend function to class B // so A::Func1 has access to all members of B friend int A:...
friendvoidf1(xxx,yyy);//Friend Function declaration }; voidf1(xxx objx,yyy objy) { cout<<"Difference = "<<objx.x-objy.y; } intmain() { xxx ob1(10); yyy ob2(5); f1(ob1,ob2);//Friend Function call return0; } Explanation: This program aims to calculate the difference of ...
4) What is a friend function? What is the difference between a friend function and a regular member function of a class? Object-oriented programming: Object-oriented programming is the most dramatic innovation in software development based on the conce...
结果1 题目下列选项中,不是C++关键字的是( )。 A. c1ass B. function C. friend D. virtual 相关知识点: 试题来源: 解析 B 正确答案:B 解析:Class、friend、virtual都是C++的关键字,而funtion是VB的关键字。 知识模块:C++语言概述反馈 收藏
百度试题 结果1 题目下列选项中,不是C++关键字的是( )。 A.classB.functionC.friendD.virtual 相关知识点: 试题来源: 解析 B [解析] class、friend、virtual都足C++的关键字,而funtion是VB的关键字。反馈 收藏
On a personal note, I'm atOculus VRand it is amazing - fabulous people doing fabulous work. We're hiring more fabulous people sowrite meif that's you! FAQ:Should my class declare a member function or afriendfunction?←(in the new Super-FAQ) It's in Section:Friends:...