重载运算符号
// A code block
#include"iostream"
using namespace std;
class complex{//复数类声明
private :
double shi,xu;
public :
complex(double s1=0.0,double x1=0.0)
{//复数类定义函数
shi=s1;xu=x1;
}
void Show()
{//输出函数
cout<<"("<<shi<<","<<xu<<")"<<endl;
};
complex operator +(complex &c1);//先声明重载
};
complex complex::operator +(complex &c1)
{//operator 重载+号使得类可以直接靠+计算
complex x;
x.shi=shi+c1.shi;
x.xu=xu+c1.xu;
return x;
}
int main() //主函数
{
complex z1(1.5,2.8),z2(-2.3,3.4),z3; //声明复数类的对象
z3=z1+z2;//+运算符被重载
cout<<“z3=”;
z3.Show();
return 0;
}