java.util.stream.Collectors.toList()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中java.util.stream.Collectors.toList()方法的一些代码示例，展示了Collectors.toList()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Collectors.toList()方法的具体详情如下：
包路径：java.util.stream.Collectors
类名称：Collectors
方法名：toList

Collectors.toList介绍

暂无

代码示例

canonical example by Tabnine

  1. public List<Integer> findDivisors(int number) {
  2.  return Stream.iterate(1, k -> ++k)
  3.    .limit(number)
  4.    .filter(k -> number % k == 0)
  5.    .collect(Collectors.toList());
  6. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Re-create the given mime types as media types.
  3.  * @since 5.0
  4.  */
  5. public static List<MediaType> asMediaTypes(List<MimeType> mimeTypes) {
  6.   return mimeTypes.stream().map(MediaType::asMediaType).collect(Collectors.toList());
  7. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Get all methods in the supplied {@link Class class} and its superclasses
  3.  * which are annotated with the supplied {@code annotationType} but
  4.  * which are not <em>shadowed</em> by methods overridden in subclasses.
  5.  * <p>Default methods on interfaces are also detected.
  6.  * @param clazz the class for which to retrieve the annotated methods
  7.  * @param annotationType the annotation type for which to search
  8.  * @return all annotated methods in the supplied class and its superclasses
  9.  * as well as annotated interface default methods
  10.  */
  11. private List<Method> getAnnotatedMethods(Class<?> clazz, Class<? extends Annotation> annotationType) {
  12.   return Arrays.stream(ReflectionUtils.getUniqueDeclaredMethods(clazz))
  13.       .filter(method -> AnnotatedElementUtils.hasAnnotation(method, annotationType))
  14.       .collect(Collectors.toList());
  15. }

代码示例来源：origin: google/guava

  1. @Override
  2.  List<? extends Entry<?, ?>> createAdversarialEntries(int power, CallsCounter counter) {
  3.   List<?> keys = createAdversarialObjects(power, counter);
  4.   List<?> values = createAdversarialObjects(power, counter);
  5.   return Streams.zip(keys.stream(), values.stream(), Maps::immutableEntry).collect(toList());
  6.  }
  7. };

代码示例来源：origin: apache/incubator-dubbo

  1. private <T> List<Invoker<T>> filterInvoker(List<Invoker<T>> invokers, Predicate<Invoker<T>> predicate) {
  2.   return invokers.stream()
  3.       .filter(predicate)
  4.       .collect(Collectors.toList());
  5. }

代码示例来源：origin: apache/incubator-dubbo

  1. private <T> List<Invoker<T>> filterInvoker(List<Invoker<T>> invokers, Predicate<Invoker<T>> predicate) {
  2.   return invokers.stream()
  3.       .filter(predicate)
  4.       .collect(Collectors.toList());
  5. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Return all registered interceptors.
  3.  */
  4. protected List<Object> getInterceptors() {
  5.   return this.registrations.stream()
  6.       .sorted(INTERCEPTOR_ORDER_COMPARATOR)
  7.       .map(InterceptorRegistration::getInterceptor)
  8.       .collect(Collectors.toList());
  9. }

代码示例来源：origin: apache/incubator-dubbo

  1. public static List<URL> classifyUrls(List<URL> urls, Predicate<URL> predicate) {
  2.   return urls.stream().filter(predicate).collect(Collectors.toList());
  3. }

代码示例来源：origin: apache/incubator-dubbo

  1. public static List<URL> classifyUrls(List<URL> urls, Predicate<URL> predicate) {
  2.   return urls.stream().filter(predicate).collect(Collectors.toList());
  3. }

代码示例来源：origin: spring-projects/spring-framework

  1. @Nullable
  2. private <T> T createSingleBean(Function<WebFluxConfigurer, T> factory, Class<T> beanType) {
  3.   List<T> result = this.delegates.stream().map(factory).filter(Objects::nonNull).collect(Collectors.toList());
  4.   if (result.isEmpty()) {
  5.     return null;
  6.   }
  7.   else if (result.size() == 1) {
  8.     return result.get(0);
  9.   }
  10.   else {
  11.     throw new IllegalStateException("More than one WebFluxConfigurer implements " +
  12.         beanType.getSimpleName() + " factory method.");
  13.   }
  14. }

代码示例来源：origin: spring-projects/spring-framework

  1. private List<SyncHandlerMethodArgumentResolver> initBinderResolvers(
  2.     ArgumentResolverConfigurer customResolvers, ReactiveAdapterRegistry reactiveRegistry,
  3.     ConfigurableApplicationContext context) {
  4.   return initResolvers(customResolvers, reactiveRegistry, context, false, Collections.emptyList()).stream()
  5.       .filter(resolver -> resolver instanceof SyncHandlerMethodArgumentResolver)
  6.       .map(resolver -> (SyncHandlerMethodArgumentResolver) resolver)
  7.       .collect(Collectors.toList());
  8. }

代码示例来源：origin: spring-projects/spring-framework

  1. @Override
  2. public Collection<List<String>> values() {
  3.   return this.headers.getHeaderNames().stream()
  4.       .map(this.headers::get)
  5.       .collect(Collectors.toList());
  6. }

代码示例来源：origin: spring-projects/spring-framework

  1. private static void addBindValue(Map<String, Object> params, String key, List<?> values) {
  2.   if (!CollectionUtils.isEmpty(values)) {
  3.     values = values.stream()
  4.         .map(value -> value instanceof FormFieldPart ? ((FormFieldPart) value).value() : value)
  5.         .collect(Collectors.toList());
  6.     params.put(key, values.size() == 1 ? values.get(0) : values);
  7.   }
  8. }

代码示例来源：origin: spring-projects/spring-framework

  1. private List<byte[]> getDelimiterBytes(@Nullable MimeType mimeType) {
  2.   return this.delimitersCache.computeIfAbsent(getCharset(mimeType),
  3.       charset -> this.delimiters.stream()
  4.           .map(s -> s.getBytes(charset))
  5.           .collect(Collectors.toList()));
  6. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Return the configured argument resolvers.
  3.  */
  4. public List<SyncHandlerMethodArgumentResolver> getResolvers() {
  5.   return this.delegate.getResolvers().stream()
  6.       .map(resolver -> (SyncHandlerMethodArgumentResolver) resolver)
  7.       .collect(Collectors.toList());
  8. }

代码示例来源：origin: eclipse-vertx/vert.x

  1. public synchronized List<T> handlers() {
  2.  return handlerMap.values().stream()
  3.   .flatMap(handlers -> handlers.list.stream())
  4.   .map(holder -> holder.handler)
  5.   .collect(Collectors.toList());
  6. }

代码示例来源：origin: spring-projects/spring-framework

  1. private void updateFilters() {
  2.   if (this.filters.isEmpty()) {
  3.     return;
  4.   }
  5.   List<WebFilter> filtersToUse = this.filters.stream()
  6.       .peek(filter -> {
  7.         if (filter instanceof ForwardedHeaderTransformer && this.forwardedHeaderTransformer == null) {
  8.           this.forwardedHeaderTransformer = (ForwardedHeaderTransformer) filter;
  9.         }
  10.       })
  11.       .filter(filter -> !(filter instanceof ForwardedHeaderTransformer))
  12.       .collect(Collectors.toList());
  13.   this.filters.clear();
  14.   this.filters.addAll(filtersToUse);
  15. }

代码示例来源：origin: spring-projects/spring-framework

  1. /**
  2.  * Parse the comma-separated string into a list of {@code MimeType} objects.
  3.  * @param mimeTypes the string to parse
  4.  * @return the list of mime types
  5.  * @throws InvalidMimeTypeException if the string cannot be parsed
  6.  */
  7. public static List<MimeType> parseMimeTypes(String mimeTypes) {
  8.   if (!StringUtils.hasLength(mimeTypes)) {
  9.     return Collections.emptyList();
  10.   }
  11.   return tokenize(mimeTypes).stream()
  12.       .map(MimeTypeUtils::parseMimeType).collect(Collectors.toList());
  13. }

代码示例来源：origin: apache/incubator-druid

  1. public List<PostAggregator> getPostAggregators()
  2. {
  3.  return aggregations.stream()
  4.            .map(Aggregation::getPostAggregator)
  5.            .filter(Objects::nonNull)
  6.            .collect(Collectors.toList());
  7. }

代码示例来源：origin: eclipse-vertx/vert.x

  1. @Override
  2. public void values(Handler<AsyncResult<List<V>>> asyncResultHandler) {
  3.  List<V> result = map.values().stream()
  4.   .filter(Holder::hasNotExpired)
  5.   .map(h -> h.value)
  6.   .collect(toList());
  7.  asyncResultHandler.handle(Future.succeededFuture(result));
  8. }

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