public void collide(Vehicle theOther) A command that notifies this vehicle that it has collided with the given other Vehicle object. Different vehicles respond in different ways, as described previously. Collisions should only have an effect when they occur between two vehicles that are alive. When the GUI notices that two vehicles have collided (whether they are both alive or not), it calls this method on each vehicle; the order in which this happens is not defined. Each vehicle should handle only the update of its own status and not the update of the other vehicles status.