@Override
public void msgHereIsBill(double amount) {
log.add(new LoggedEvent4("Received msgHereIsBill from waiter. Amount = " + amount));
System.out.println(name + ": Received msgHereIsBill from waiter. Amount = " + amount);
}
@Override
public void msgHereIsChange(boolean paid) {
log.add(new LoggedEvent4("Received msgHereIsChange from cashier. Paid = " + paid));
System.out.println(name + ": Received msgHereIsChange from cashier. Paid = " + paid);
}