Реферат: Объектно ориентированое програмирование на С

#define conrectangle__h

#include <iostream.h>

#include "rectangle.h"

rectangle::rectangle()

{

cout<<"The constructor \"rectangle()\" worked.\n";

a=1.0;

b=1.0;

};

rectangle::rectangle(double x, double y)

{

cout<<"The constructor \"rectangle(double, double)\" worked.\n";

a=x;

b=y;

};

rectangle::~rectangle()

{

cout<<"The destructor \"~rectangle()\" worked.\n";

a=0.0;

b=0.0;

};

rectangle & rectangle::operator=(const rectangle & x)

{

if(this==&x) return *this;

this->a=x.a;

this->b=x.b;

return *this;

};

double rectangle::square(void)