// C++ program to demonstrate example of // friend function with class #include <iostream> using namespace std; class Number { private: int a; public: void getNum(int x); //declaration of friend function friend
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 ...
Cents operator+(const Cents& c1, const Cents& c2) { // use the Cents constructor and operator+(int, int) // we can access m_cents directly because this is a friend function return Cents { c1.m_cents + c2.m_cents }; } // note: this function is not a member function! Cents op...
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. class B. function C. friend D. vinual 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
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:...
Deprecated function called at end of first-part of two-step rotation animations. (Inherited from UIViewController) DidChange(NSKeyValueChange, NSIndexSet, NSString) Indicates a change occurred to the indexes for a to-many relationship. (Inherited from NSObject) DidChange(NSString, NSKeyValue...