1.
using namespace std; class Rectangle{ public: void set(double l,double w); void show(); private: double L,W; }; //成员函数的具体体现 void Rectangle::set(double l,double w){ L=l; W=w; } inline void Rectangle::show(){ cout<<"矩形长为"<<L<<"宽为"<<W<<"面积为"<<L*W; } int main(){ double x,y; cin>>x>>y; Rectangle arectangle; arectangle.set(x,y); arectangle.show(); return 0; }
2.
#include<iostream>
using namespace std;
class Complex{
public:
Complex(float x,float y);
Complex(float x);
void add(Complex &c);
void show();
private:
float X,Y;
};
Complex::Complex(float x,float y){
X=x;
Y=y;
}
Complex::Complex(float x){
X=x;
}
void Complex::add(Complex &c)
{
X+=c.X;
Y+=c.Y;
}
void Complex::show(){
cout<<X<<"+"<<Y<<"i";
}
int main(){
Complex c1(3,5);
Complex c2=4.5;
c1.add(c2);
c1.show();
return 0;
}
