Web16 apr. 2016 · boolean anyMatch = list2.stream().anyMatch(list1::contains); This uses a method reference as the predicate. You would have better performance by converting … Web7 jan. 2024 · Predicate가 주어진 스트림에서 적어도 한 요소와 일치하는지(true인지) 확인할 때 anyMatch 메서드를 이용할 수 있습니다. 예를 들면 다음과 같은 예제는 문자열 Stream 중 문자열의 문두에 "DolphaGo"가 있는지 확인하는 예제입니다.
Java8中Stream详细用法大全 – CodeDi
anyMatch is a terminal operation, so you can't use it in combination with collect. You can apply two filters: List filtered = items.stream() .filter(Item::isBig) .filter(i -> i.getPosts().stream().anyMatch(Post::isEnabled)) .collect(Collectors.toList()); or combine them into one filter: Web7 sep. 2024 · 2.3. stream.map(condition).anyMatch(b -> b) И такой странный код иногда пишут, чтобы запутать коллег. Если увидите такое, знайте, что это просто stream.anyMatch(condition). photography outcomes
java.util.stream.Stream.anyMatch java code examples Tabnine
Web13 mrt. 2024 · 例如,假设有一个List,其中Person类有一个字段name,可以使用以下代码实现根据name字段去重: List distinctPersons = persons.stream() .filter(distinctByKey(Person::getName)) .collect(Collectors.toList()); 其中,distinctByKey()方法可以自定义实现,例如: public static Predicate distinctByKey(Function Web7 jan. 2024 · allMatch 메서드는 anyMatch와는 달리 스트림의 모든 요소가 주어진 Predicate와 일치하는 지 검사합니다. List < String > list = List.of("Dolpha","DolphaG","DolphaGo","DolphaGo입니다"); boolean result = list.stream().allMatch( s -> s.startsWith("DolphaGo")); System. out.println( result);//false WebThe following examples show how to use org.web3j.utils.Base64String.You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. photography outdoor jobs