import .example; int main() { // ----- Object creation ----- write("Creating some objects:\n"); Circle c = Circle(10.0); write(" Created circle.\n"); Square s = Square(10.0); write(" Created square.\n"); // ----- Access a static member ----- write("\nA total of " + Shape_nshapes_get() + " shapes were created\n"); // ----- Member data access ----- // Set the location of the object c->x_set(20.0); c->y_set(30.0); s->x_set(-10.0); s->y_set(5.0); write("\nHere is their current position:\n"); write(" Circle = (%f, %f)\n", c->x_get(), c->y_get()); write(" Square = (%f, %f)\n", s->x_get(), s->y_get()); // ----- Call some methods ----- write("\nHere are some properties of the shapes:\n"); write(" The circle:\n"); write(" area = %f.\n", c->area()); write(" perimeter = %f.\n", c->perimeter()); write(" The square:\n"); write(" area = %f.\n", s->area()); write(" perimeter = %f.\n", s->perimeter()); write("\nGuess I'll clean up now\n"); /* See if we can force 's' to be garbage-collected */ s = 0; /* Now we should be down to only 1 shape */ write("%d shapes remain\n", Shape_nshapes_get()); /* Done */ write("Goodbye\n"); return 0; }