import java.util.Date; public abstract class CivilVehicle extends Vehicle implements Breakable { private boolean broken; private Accident currentAccident; private Date breakDownTime; public CivilVehicle(double vehicleSize) { super(vehicleSize); } @Override public boolean isBroken() { return broken; } @Override public Accident collide(Breakable car, Date time, Street location) { if (currentAccident == null) { Breakable[] cars = new Breakable[2]; cars[0] = this; cars[1] = car; Accident accident = new Accident(time, cars, location); this.currentAccident = accident; if (car instanceof CivilVehicle) ((CivilVehicle)car).setCurrentAccident(accident); return accident; } return null; } @Override public void _break(Date time) { broken = true; this.breakDownTime = time; } @Override public void fix() { broken = false; this.currentAccident = null; } public Date getBreakDownTime() { return breakDownTime; } public Accident getCurrentAccident() { return currentAccident; } public void setCurrentAccident(Accident accident){ if (accident != null) this.currentAccident = accident; } }