public void close() 
{
    for( Lot lot : lots ) 
    { 
        Bid bid = lot.getHighestBid(); 
        if ( bid != null ) 
        {
            System.out.println( "Varen er solgt: '" + lot + "', person: '" + bid.getBidder().getName() + "'" ); 
        }
        else 
        {
            System.out.println( "Ikke solgt: '" + lot.toString() + "'" ); 
        }
    }
    this.open = false;
}

public boolean isOpen() 
{
    return open;
}