问题描述

C++运算符重载问题友元函数

#include#includeusing namespace std;class Complex{ public: Complex(double newx=0.0 double newy=0.0 ); //Complex(); Complex(Complex &c); double getx() const; double gety() const; Complex Add(const Complex &another); void Output(); friend istream & operator>>(istream &in const Complex &c); friend ostream & operator<<(ostream &out const Complex &c); Complex operator+(const Complex &c2)const; ~Complex(){}; private: double xy;};Complex::Complex(double newx double newy){ x=newx; y=newy;}/*Complex::Complex(){ x=0; y=0;}*/Complex::Complex(Complex &c){ x=c.x; y=c.y;}double Complex::getx()const{ return x;}double Complex::gety()const{ return y;}Complex Complex::Add(const Complex &another){ Complex r; r.x=x+another.getx(); r.y=y+another.gety(); return r;}void Complex::Output(){ cout<=0) cout<<""+""; cout<>(istream &in const Complex &c){// in>>""("">>c.x>>""<>c.x; in>>c.y; return in;}ostream & operator<<(ostream &out const Complex &c){ out<<""(""<>z1; cin>>z2; z4=z1.Add(z2); z4.Output(); z3 = z1+z2; z3.Output(); return 0;}

运行不起来

解决方案

http://wenku.baidu.com/link?url=Db37m1kTCFjN5wDmcU_ZMcT4YuEQTy-cUtdsiAdSuALaPdpwK-YYUEDTdbBCKPwKZgpYFtTNmQRdf0zXk1Qw1KmtPk71_q5EKG2M3EEGgB3

解决方案二：
c++中运算符重载遇到的问题
c++运算符重载和友元函数
C++友元函数以及运算符重载