?? 1-1.cpp
字號:
//Please carefully review what we have learned about operator overloading,
//debug the programs from the PPT in the computer, and understand the mechanism of it.
#include <iostream.h>
class complex
{
public:
complex(double r=0,double i=0);
complex operator +(const complex& c);
complex operator -(const complex& c);
complex operator -();
void print() const;// const member function
private:
double real,imag;
};
complex::complex(double r,double i)
:real(r),imag(i){}
complex complex::operator +(const complex& c)
{
double r=real+c.real;
double i=imag+c.imag;
return complex(r,i);
}
complex complex::operator -(const complex& c)
{
double r=real-c.real;
double i=imag-c.imag;
return complex(r,i);
}
complex complex::operator -()
{
return complex(-real,-imag);
}
void complex::print() const
{
cout<<"("<<real<<","<<imag<<")"<<endl;
}
void main()
{
complex c1(2.5,3.7),c2(4.2,6.5);
complex c;
c=c1-c2;
c.print();
c=c1+c2;
c.print();
c=-c1;
c.print();
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -