@Override
	public Car getCar(Ticket t1) throws NoCarException 
	{
    	ParkingLot cp=null;
    	for(int i =0;i<this.park_list.size();i++)
    	{
    		cp = (ParkingLot)park_list.get(i);
    		if(t1.getCarpark_id()==cp.name)
    			return cp.getCar(t1);
    	}
    	return null;    	
	}