* * A {@code Rectangle} whose width or height is exactly zero has location - * along those axes with zero dimension, but is otherwise considered empty. + * along those axes with zero dimension, but is otherwise considered empty. * The {@link #isEmpty} method will return true for such a {@code Rectangle}. * Methods which test if an empty {@code Rectangle} contains or intersects * a point or rectangle will always return false if either dimension is zero. * Methods which combine such a {@code Rectangle} with a point or rectangle * will include the location of the {@code Rectangle} on that axis in the * result as if the {@link #add(Point)} method were being called. - * *