| 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; |
| } |