Java Lambda style

Question

So, this doesn't work, since seatsAvailable is final. How can what I'm trying to accomplish be done using more of a lambda-style-from-the-ground-up way?

final boolean seatsAvailable = false;
theatreSeats.forEach(seat -> {
    if (!seatsAvailable) seatsAvailable = seat.isEmpty();
});

You could always just use a for loop. Streams don't really get you anything here. — Andy Turner
– Andy Turner, Commented Oct 26, 2018 at 18:48

Joe C · Accepted Answer · 2018-10-26 18:30:07Z

17

It looks like you want seatsAvailable to be true if there is at least one empty seat. Therefore, this should do the trick for you:

final boolean seatsAvailable = theatreSeats.stream().anyMatch(Seat::isEmpty);

(Note: I am assuming that your class is named Seat.)

answered Oct 26, 2018 at 18:30

Joe C

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