List<Integer> numbers = Arrays.asList(1, 2, 1, 3, 3, 2, 4);
numbers.stream().filter(i -> i % 2 == 0)
.distinct()
.forEach(System.out::println);
图片来源于java8 in action
List<Integer> numbers = Arrays.asList(1, 2, 1, 3, 3, 2, 4);
numbers.stream().filter(i -> i % 2 == 0)
.distinct()
.forEach(System.out::println);
图片来源于java8 in action