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Type Parameters:

T - the type of elements returned by the iterator

All Known Subinterfaces:

BeanContext,BeanContextServices,BlockingDeque<E>,BlockingQueue<E>,Collection<E>,Deque<E>,DirectoryStream<T>,List<E>,NavigableSet<E>,Path,Queue<E>,SecureDirectoryStream<T>,Set<E>,SortedSet<E>,TransferQueue<E>

All Known Implementing Classes:

AbstractCollection,AbstractList,AbstractQueue,AbstractSequentialList,AbstractSet,ArrayBlockingQueue,ArrayDeque,ArrayList,AttributeList,BatchUpdateException,BeanContextServicesSupport,BeanContextSupport,ConcurrentHashMap.KeySetView,ConcurrentLinkedDeque,ConcurrentLinkedQueue,ConcurrentSkipListSet,CopyOnWriteArrayList,CopyOnWriteArraySet,DataTruncation,DelayQueue,EnumSet,HashSet,JobStateReasons,LinkedBlockingDeque,LinkedBlockingQueue,LinkedHashSet,LinkedList,LinkedTransferQueue,PriorityBlockingQueue,PriorityQueue,RoleList,RoleUnresolvedList,RowSetWarning,SerialException,ServiceLoader,SQLClientInfoException,SQLDataException,SQLException,SQLFeatureNotSupportedException,SQLIntegrityConstraintViolationException,SQLInvalidAuthorizationSpecException,SQLNonTransientConnectionException,SQLNonTransientException,SQLRecoverableException,SQLSyntaxErrorException,SQLTimeoutException,SQLTransactionRollbackException,SQLTransientConnectionException,SQLTransientException,SQLWarning,Stack,SyncFactoryException,SynchronousQueue,SyncProviderException,TreeSet,Vector

public interfaceIterable<T>

Since:

1.5

See The Java™ Language Specification:

14.14.2 The enhanced for statement

• Method Summary

  All Methods Instance Methods Abstract Methods Default Methods 

  Modifier and Type	Method	Description
  default void	forEach(Consumer<? superT> action)	Performs the given action for each element of theIterable until all elements have been processed or the action throws an exception.
  Iterator<T>	iterator()	Returns an iterator over elements of typeT.
  defaultSpliterator<T>	spliterator()	Creates aSpliterator over the elements described by thisIterable.

• Method Detail

  • iterator

    Iterator<T> iterator()

    Returns an iterator over elements of typeT.

    Returns:

    an Iterator.

  • forEach

    default void forEach(Consumer<? superT> action)

    Performs the given action for each element of theIterable until all elements have been processed or the action throws an exception. Unless otherwise specified by the implementing class, actions are performed in the order of iteration (if an iteration order is specified). Exceptions thrown by the action are relayed to the caller.

    Implementation Requirements:

    The default implementation behaves as if:

         for (T t : this)         action.accept(t);

    Parameters:

    action - The action to be performed for each element

    Throws:

    NullPointerException - if the specified action is null

    Since:

    1.8

  • spliterator

    default Spliterator<T> spliterator()

    Creates aSpliterator over the elements described by thisIterable.

    Implementation Requirements:

    The default implementation creates anearly-binding spliterator from the iterable'sIterator. The spliterator inherits thefail-fast properties of the iterable's iterator.

    Implementation Note:

    The default implementation should usually be overridden. The spliterator returned by the default implementation has poor splitting capabilities, is unsized, and does not report any spliterator characteristics. Implementing classes can nearly always provide a better implementation.

    Returns:

    aSpliterator over the elements described by thisIterable.

    Since:

    1.8