本文整理了Java中java.util.stream.Collectors.toCollection()方法的一些代码示例，展示了Collectors.toCollection()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.toCollection()方法的具体详情如下：
包路径：java.util.stream.Collectors
类名称：Collectors
方法名：toCollection

Collectors.toCollection介绍

暂无

代码示例

代码示例来源：origin: ctripcorp/apollo

public static List<OpenNamespaceDTO> batchTransformFromNamespaceBOs(List<NamespaceBO>
                                    namespaceBOs) {
 if (CollectionUtils.isEmpty(namespaceBOs)) {
  return Collections.emptyList();
 }
 List<OpenNamespaceDTO> openNamespaceDTOs =
   namespaceBOs.stream().map(OpenApiBeanUtils::transformFromNamespaceBO)
     .collect(Collectors.toCollection(LinkedList::new));
 return openNamespaceDTOs;
}

代码示例来源：origin: jersey/jersey

private static <T> Set<T> getProviderClasses(final Collection<ServiceHolder<T>> providers) {
  return providers.stream()
          .map(Providers::holder2service)
          .collect(Collectors.toCollection(LinkedHashSet::new));
}

代码示例来源：origin: apache/storm

/**
 * Return a set of all worker directories in root log directory.
 */
public Set<File> getAllWorkerDirs() {
  File[] rootDirFiles = logRootDir.listFiles();
  if (rootDirFiles != null) {
    return Arrays.stream(rootDirFiles).flatMap(topoDir -> {
      File[] topoFiles = topoDir.listFiles();
      return topoFiles != null ? Arrays.stream(topoFiles) : Stream.empty();
    }).collect(toCollection(TreeSet::new));
  }
  return new TreeSet<>();
}

代码示例来源：origin: org.assertj/assertj-core

/**
 * Returns the declared fields of a given class excluding any synthetic or static fields.
 *
 * Synthetic fields are fields that are generated by the compiler for access purposes, or by instrumentation tools e.g. JaCoCo adds in a $jacocoData field
 * and therefore should be ignored when comparing fields.
 *
 * Static fields are used as constants, and are not associated with an object.
 *
 * @param clazz the class we want the declared fields.
 * @return the declared fields of given class excluding any synthetic fields.
 */
private static Set<Field> getDeclaredFieldsIgnoringSyntheticAndStatic(Class<?> clazz) {
 return stream(clazz.getDeclaredFields()).filter(field -> !(field.isSynthetic()
                               || Modifier.isStatic(field.getModifiers())))
                     .collect(toCollection(LinkedHashSet::new));
}

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

public static int run() {
  List<Integer> integers = Arrays.asList(1, 2, 3);
  List<Integer> collected = integers.stream().collect(Collectors.toCollection(ArrayList::new));
  return collected.size();
}

代码示例来源：origin: Graylog2/graylog2-server

private static ReferenceList toReferenceList(Collection<Object> list) {
  // TODO: Support nested objects in list
  return list.stream()
      .map(ValueReference::of)
      .filter(Objects::nonNull)
      .collect(Collectors.toCollection(ReferenceList::new));
}

代码示例来源：origin: jersey/jersey

private static <T> Set<T> getProviderClasses(final Collection<ServiceHolder<T>> providers) {
  return providers.stream()
          .map(Providers::holder2service)
          .collect(Collectors.toCollection(LinkedHashSet::new));
}

代码示例来源：origin: gocd/gocd

public RolesConfig ofType(String pluginType) throws InvalidPluginTypeException {
    if (isBlank(pluginType)) {
      return this;
    }

    Class<? extends Role> roleClass = ROLE_FILTER_MAP.get(pluginType);

    if (roleClass == null) {
      throw new InvalidPluginTypeException("Bad role type `" + pluginType + "`. Valid values are " + StringUtils.join(ROLE_FILTER_MAP.keySet(), ", "));
    }

    return this.stream().filter(role -> role.getClass().isAssignableFrom(roleClass)).collect(Collectors.toCollection(RolesConfig::new));

  }
}

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

public static int run() {
  List<Integer> integers = Arrays.asList(1, 2, 3, 4);
  List<Integer> collected = integers.stream().collect(Collectors.toCollection(ArrayList::new));
  return collected.size();
}

代码示例来源：origin: apache/storm

@VisibleForTesting
Set<File> selectDirsForCleanup(long nowMillis) {
  FileFilter fileFilter = mkFileFilterForLogCleanup(nowMillis);
  return Arrays.stream(logRootDir.listFiles())
      .flatMap(topoDir -> Arrays.stream(topoDir.listFiles(fileFilter)))
      .collect(toCollection(TreeSet::new));
}

代码示例来源：origin: org.assertj/assertj-core

private static Set<String> fieldsToName(Set<Field> fields) {
 return fields.stream().map(Field::getName).collect(toCollection(LinkedHashSet::new));
}

代码示例来源：origin: apache/incubator-druid

SegmentsCostCache(ArrayList<Bucket> sortedBuckets)
{
 this.sortedBuckets = Preconditions.checkNotNull(sortedBuckets, "buckets should not be null");
 this.intervals = sortedBuckets.stream().map(Bucket::getInterval).collect(Collectors.toCollection(ArrayList::new));
 Preconditions.checkArgument(
   BUCKET_ORDERING.isOrdered(sortedBuckets),
   "buckets must be ordered by interval"
 );
}

代码示例来源：origin: joel-costigliola/assertj-core

/**
 * Returns the declared fields of a given class excluding any synthetic or static fields.
 *
 * Synthetic fields are fields that are generated by the compiler for access purposes, or by instrumentation tools e.g. JaCoCo adds in a $jacocoData field
 * and therefore should be ignored when comparing fields.
 *
 * Static fields are used as constants, and are not associated with an object.
 *
 * @param clazz the class we want the declared fields.
 * @return the declared fields of given class excluding any synthetic fields.
 */
private static Set<Field> getDeclaredFieldsIgnoringSyntheticAndStatic(Class<?> clazz) {
 return stream(clazz.getDeclaredFields()).filter(field -> !(field.isSynthetic()
                               || Modifier.isStatic(field.getModifiers())))
                     .collect(toCollection(LinkedHashSet::new));
}

代码示例来源：origin: shekhargulati/99-problems

public static <T> T kthStream(final List<T> list, final int k) {
  return list.stream().limit(k + 1).collect(Collectors.toCollection(LinkedList::new)).getLast();
}

代码示例来源：origin: org.assertj/assertj-core

/**
 * Creates a <em>mutable</em> {@link ArrayList} containing the given elements.
 *
 * @param <T> the generic type of the {@code ArrayList} to create.
 * @param elements the elements to store in the {@code ArrayList}.
 * @return the created {@code ArrayList}, or {@code null} if the given {@code Iterator} is {@code null}.
 */
public static <T> ArrayList<T> newArrayList(Iterator<? extends T> elements) {
 if (elements == null) {
  return null;
 }
 return Streams.stream(elements).collect(toCollection(ArrayList::new));
}

代码示例来源：origin: prestodb/presto

@VisibleForTesting
JoinEnumerationResult createJoinAccordingToPartitioning(LinkedHashSet<PlanNode> sources, List<Symbol> outputSymbols, Set<Integer> partitioning)
{
  List<PlanNode> sourceList = ImmutableList.copyOf(sources);
  LinkedHashSet<PlanNode> leftSources = partitioning.stream()
      .map(sourceList::get)
      .collect(toCollection(LinkedHashSet::new));
  LinkedHashSet<PlanNode> rightSources = sources.stream()
      .filter(source -> !leftSources.contains(source))
      .collect(toCollection(LinkedHashSet::new));
  return createJoin(leftSources, rightSources, outputSymbols);
}

代码示例来源：origin: SonarSource/sonarqube

private static Set<String> getRootQualifiers(ResourceTypes resourceTypes) {
 return resourceTypes.getRoots().stream()
  .map(ResourceType::getQualifier)
  .collect(Collectors.toCollection(TreeSet::new));
}

代码示例来源：origin: org.assertj/assertj-core

private void assertIterableContainsGivenValues(Iterable<?> actual, Object[] values, AssertionInfo info) {
 Set<Object> notFound = stream(values).filter(value -> !iterableContains(actual, value))
                    .collect(toCollection(LinkedHashSet::new));
 if (notFound.isEmpty())
  return;
 throw failures.failure(info, shouldContain(actual, values, notFound, comparisonStrategy));
}

代码示例来源：origin: org.springframework.boot/spring-boot

/**
 * Return the classes from all the specified configurations in the order that they
 * would be registered.
 * @param configurations the source configuration
 * @return configuration classes in registration order
 */
public static Class<?>[] getClasses(Collection<Configurations> configurations) {
  List<Configurations> ordered = new ArrayList<>(configurations);
  ordered.sort(COMPARATOR);
  List<Configurations> collated = collate(ordered);
  LinkedHashSet<Class<?>> classes = collated.stream()
      .flatMap(Configurations::streamClasses)
      .collect(Collectors.toCollection(LinkedHashSet::new));
  return ClassUtils.toClassArray(classes);
}

代码示例来源：origin: org.assertj/assertj-core

/**
 * Creates a <em>mutable</em> {@code HashSet} containing the given elements.
 *
 * @param <T> the generic type of the {@code HashSet} to create.
 * @param elements the elements to store in the {@code HashSet}.
 * @return the created {@code HashSet}, or {@code null} if the given array of elements is {@code null}.
 */
public static <T> HashSet<T> newHashSet(Iterable<? extends T> elements) {
 if (elements == null) {
  return null;
 }
 return Streams.stream(elements).collect(toCollection(HashSet::new));
}