// File: demo.cpp // Implementation of demo class #include #include "demo.h" using namespace std; demo::demo( int tx, double ty ) { cout << "C"; x = tx; y = ty; } demo::demo( const demo& d ) { cout << "c"; x = d.x; y = d.y; } demo::~demo() { cout << "D"; } demo& demo::operator =(demo d ) { cout << "="; x = d.x; y = d.y; return *this; }