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## Uses of Interface
java.util.Iterator

Packages that use Iterator
java.applet | Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt.dnd | Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.beans.beancontext | Provides classes and interfaces relating to bean context.
java.lang | Provides classes that are fundamental to the design of the Java programming language.
java.nio.charset.spi | Service-provider classes for the ``java.nio.charset`` package.
java.security.cert | Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.util | Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
java.util.concurrent | Utility classes commonly useful in concurrent programming.
javax.imageio | The main package of the Java Image I/O API.
javax.imageio.spi | A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
javax.xml.namespace | XML Namespace processing.

Uses of Iterator in java.applet

Methods in java.applet that return Iterator
`Iterator<String>` | `AppletContext.getStreamKeys()` Finds all the keys of the streams in this applet context.

Uses of Iterator in java.awt.dnd

Methods in java.awt.dnd that return Iterator
`Iterator<InputEvent>` | `DragGestureEvent.iterator()` Returns an `Iterator` for the events comprising the gesture.

Uses of Iterator in java.beans.beancontext

Classes in java.beans.beancontext that implement Iterator
`protected static class` | `BeanContextSupport.BCSIterator` protected final subclass that encapsulates an iterator but implements a noop remove() method.

Methods in java.beans.beancontext that return Iterator
`protected Iterator` | `BeanContextSupport.bcsChildren()` Returns an iterator of all children of this `BeanContext`.
`Iterator` | `BeanContextServicesSupport.getCurrentServiceClasses()`
`Iterator` | `BeanContextServices.getCurrentServiceClasses()` Gets the currently available services for this context.
`Iterator` | `BeanContextServiceAvailableEvent.getCurrentServiceSelectors()` Gets the list of service dependent selectors.
`Iterator` | `BeanContextServicesSupport.BCSSProxyServiceProvider.getCurrentServiceSelectors(BeanContextServices bcs, Class serviceClass)`
`Iterator` | `BeanContextServiceProvider.getCurrentServiceSelectors(BeanContextServices bcs, Class serviceClass)` Invoked by `BeanContextServices`, this method gets the current service selectors for the specified service.
`Iterator` | `BeanContextServicesSupport.getCurrentServiceSelectors(Class serviceClass)`
`Iterator` | `BeanContextServices.getCurrentServiceSelectors(Class serviceClass)` Gets the list of service dependent service parameters (Service Selectors) for the specified service, by calling getCurrentServiceSelectors() on the underlying BeanContextServiceProvider.
`Iterator` | `BeanContextSupport.iterator()` Gets all JavaBean or `BeanContext` instances currently nested in this `BeanContext`.
`Iterator` | `BeanContextMembershipEvent.iterator()` Gets the array of children affected by this event.

Uses of Iterator in java.lang

Methods in java.lang that return Iterator
`Iterator<T>` | `Iterable.iterator()` Returns an iterator over a set of elements of type T.

Uses of Iterator in java.nio.charset.spi

Methods in java.nio.charset.spi that return Iterator
`abstract Iterator<Charset>` | `CharsetProvider.charsets()` Creates an iterator that iterates over the charsets supported by this provider.

Uses of Iterator in java.security.cert

Methods in java.security.cert that return Iterator
`Iterator<String>` | `CertificateFactorySpi.engineGetCertPathEncodings()` Returns an iteration of the `CertPath` encodings supported by this certificate factory, with the default encoding first.
`Iterator<String>` | `CertificateFactory.getCertPathEncodings()` Returns an iteration of the `CertPath` encodings supported by this certificate factory, with the default encoding first.
`Iterator<? extends PolicyNode>` | `PolicyNode.getChildren()` Returns an iterator over the children of this node.
`abstract Iterator<String>` | `CertPath.getEncodings()` Returns an iteration of the encodings supported by this certification path, with the default encoding first.

Uses of Iterator in java.util

Subinterfaces of Iterator in java.util
`interface` | `ListIterator<E>` An iterator for lists that allows the programmer to traverse the list in either direction, modify the list during iteration, and obtain the iterator's current position in the list.

Classes in java.util that implement Iterator
`class` | `Scanner` A simple text scanner which can parse primitive types and strings using regular expressions.

Methods in java.util that return Iterator
`Iterator<E>` | `PriorityQueue.iterator()` Returns an iterator over the elements in this queue.
`Iterator<E>` | `AbstractSequentialList.iterator()` Returns an iterator over the elements in this list (in proper sequence).
`Iterator<E>` | `TreeSet.iterator()` Returns an iterator over the elements in this set.
`Iterator<E>` | `HashSet.iterator()` Returns an iterator over the elements in this set.
`Iterator<E>` | `List.iterator()` Returns an iterator over the elements in this list in proper sequence.
`abstract Iterator<E>` | `AbstractCollection.iterator()` Returns an iterator over the elements contained in this collection.
`Iterator<E>` | `AbstractList.iterator()` Returns an iterator over the elements in this list in proper sequence.
`Iterator<E>` | `Collection.iterator()` Returns an iterator over the elements in this collection.
`Iterator<E>` | `Set.iterator()` Returns an iterator over the elements in this set.

Uses of Iterator in java.util.concurrent

Methods in java.util.concurrent that return Iterator
`Iterator<E>` | `SynchronousQueue.iterator()` Returns an empty iterator in which `hasNext` always returns `false`.
`Iterator<E>` | `PriorityBlockingQueue.iterator()` Returns an iterator over the elements in this queue.
`Iterator<E>` | `LinkedBlockingQueue.iterator()` Returns an iterator over the elements in this queue in proper sequence.
`Iterator<E>` | `DelayQueue.iterator()` Returns an iterator over the elements in this queue.
`Iterator<E>` | `CopyOnWriteArraySet.iterator()`
`Iterator<E>` | `CopyOnWriteArrayList.iterator()` Returns an Iterator over the elements contained in this collection.
`Iterator<E>` | `ConcurrentLinkedQueue.iterator()` Returns an iterator over the elements in this queue in proper sequence.
`Iterator<E>` | `ArrayBlockingQueue.iterator()` Returns an iterator over the elements in this queue in proper sequence.

Uses of Iterator in javax.imageio

Methods in javax.imageio that return Iterator
`static Iterator<ImageReader>` | `ImageIO.getImageReaders(Object input)` Returns an `Iterator` containing all currently registered `ImageReader`s that claim to be able to decode the supplied `Object`, typically an `ImageInputStream`.
`static Iterator<ImageReader>` | `ImageIO.getImageReadersByFormatName(String formatName)` Returns an `Iterator` containing all currently registered `ImageReader`s that claim to be able to decode the named format.
`static Iterator<ImageReader>` | `ImageIO.getImageReadersByMIMEType(String MIMEType)` Returns an `Iterator` containing all currently registered `ImageReader`s that claim to be able to decode files with the given MIME type.
`static Iterator<ImageReader>` | `ImageIO.getImageReadersBySuffix(String fileSuffix)` Returns an `Iterator` containing all currently registered `ImageReader`s that claim to be able to decode files with the given suffix.
`static Iterator<ImageTranscoder>` | `ImageIO.getImageTranscoders(ImageReader reader, ImageWriter writer)` Returns an `Iterator` containing all currently registered `ImageTranscoder`s that claim to be able to transcode between the metadata of the given `ImageReader` and `ImageWriter`.
`abstract Iterator<ImageTypeSpecifier>` | `ImageReader.getImageTypes(int imageIndex)` Returns an `Iterator` containing possible image types to which the given image may be decoded, in the form of `ImageTypeSpecifiers`s.
`static Iterator<ImageWriter>` | `ImageIO.getImageWriters(ImageTypeSpecifier type, String formatName)` Returns an `Iterator` containing all currently registered `ImageWriter`s that claim to be able to encode images of the given layout (specified using an `ImageTypeSpecifier`) in the given format.
`static Iterator<ImageWriter>` | `ImageIO.getImageWritersByFormatName(String formatName)` Returns an `Iterator` containing all currently registered `ImageWriter`s that claim to be able to encode the named format.
`static Iterator<ImageWriter>` | `ImageIO.getImageWritersByMIMEType(String MIMEType)` Returns an `Iterator` containing all currently registered `ImageWriter`s that claim to be able to encode files with the given MIME type.
`static Iterator<ImageWriter>` | `ImageIO.getImageWritersBySuffix(String fileSuffix)` Returns an `Iterator` containing all currently registered `ImageWriter`s that claim to be able to encode files with the given suffix.
`Iterator<IIOImage>` | `ImageReader.readAll(Iterator<? extends ImageReadParam> params)` Returns an `Iterator` containing all the images, thumbnails, and metadata, starting at the index given by `getMinIndex`, from the input source in the form of `IIOImage` objects.

Methods in javax.imageio with parameters of type Iterator
`protected static BufferedImage` | `ImageReader.getDestination(ImageReadParam param, Iterator<ImageTypeSpecifier> imageTypes, int width, int height)` Returns the `BufferedImage` to which decoded pixel data should be written.
`Iterator<IIOImage>` | `ImageReader.readAll(Iterator<? extends ImageReadParam> params)` Returns an `Iterator` containing all the images, thumbnails, and metadata, starting at the index given by `getMinIndex`, from the input source in the form of `IIOImage` objects.

Uses of Iterator in javax.imageio.spi

Methods in javax.imageio.spi that return Iterator
`Iterator<Class<?>>` | `ServiceRegistry.getCategories()` Returns an `Iterator` of `Class` objects indicating the current set of categories.
`
`<T> Iterator<T>`
` | `ServiceRegistry.getServiceProviders(Class<T> category, boolean useOrdering)` Returns an `Iterator` containing all registered service providers in the given category.
`
`<T> Iterator<T>`
` | `ServiceRegistry.getServiceProviders(Class<T> category, ServiceRegistry.Filter filter, boolean useOrdering)` Returns an `Iterator` containing service provider objects within a given category that satisfy a criterion imposed by the supplied `ServiceRegistry.Filter` object's `filter` method.
`static
`<T> Iterator<T>`
` | `ServiceRegistry.lookupProviders(Class<T> providerClass)` Locates and incrementally instantiates the available providers of a given service using the context class loader.
`static
`<T> Iterator<T>`
` | `ServiceRegistry.lookupProviders(Class<T> providerClass, ClassLoader loader)` Searches for implementations of a particular service class using the given class loader.

Methods in javax.imageio.spi with parameters of type Iterator
`void` | `ServiceRegistry.registerServiceProviders(Iterator<?> providers)` Adds a set of service provider objects, taken from an `Iterator` to the registry.

Constructors in javax.imageio.spi with parameters of type Iterator
`ServiceRegistry(Iterator<Class<?>> categories)` Constructs a `ServiceRegistry` instance with a set of categories taken from the `categories` argument.

Uses of Iterator in javax.xml.namespace

Methods in javax.xml.namespace that return Iterator
`Iterator` | `NamespaceContext.getPrefixes(String namespaceURI)` Get all prefixes bound to a Namespace URI in the current scope.

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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