lambad简写
2019-07-01 本文已影响0人
hemingkung
import static java.util.Comparator.comparing;
import static java.util.stream.Collectors.toList;
List<String> lowCaloricDishesName = menu.stream().filter(d -> d.getCalories() < 400)
.sorted(comparing(Dish::getCalories)).map(Dish::getName).collect(toList());
