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| JavaTM 2 Platform Std. Ed. v1.4.1
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## Uses of Interface
java.util.Set

Packages that use Set
java.awt | Contains all of the classes for creating user interfaces and for painting graphics and images.
java.nio.channels | Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.channels.spi | Service-provider classes for the `java.nio.channels` package.
java.nio.charset | Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.security | Provides the classes and interfaces for the security framework.
java.security.cert | Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.text | Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
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.jar | Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
javax.imageio | The main package of the Java Image I/O API.
javax.print.attribute.standard | Package javax.print.attribute.standard contains classes for specific printing attributes.
javax.security.auth | This package provides a framework for authentication and authorization.

Uses of Set in java.awt

Methods in java.awt that return Set
`Set` | `KeyboardFocusManager.getDefaultFocusTraversalKeys(int id)` Returns a Set of default focus traversal keys for a given traversal operation.
`Set` | `Window.getFocusTraversalKeys(int id)` Gets a focus traversal key for this Window.
`Set` | `RenderingHints.keySet()` Returns a `Set` view of the Keys contained in this `RenderingHints`.
`Set` | `RenderingHints.entrySet()` Returns a `Set` view of the mappings contained in this `RenderingHints`.
`Set` | `Container.getFocusTraversalKeys(int id)` Returns the Set of focus traversal keys for a given traversal operation for this Container.
`Set` | `Component.getFocusTraversalKeys(int id)` Returns the Set of focus traversal keys for a given traversal operation for this Component.

Methods in java.awt with parameters of type Set
`void` | `KeyboardFocusManager.setDefaultFocusTraversalKeys(int id, Set keystrokes)` Sets the default focus traversal keys for a given traversal operation.
`void` | `Container.setFocusTraversalKeys(int id, Set keystrokes)` Sets the focus traversal keys for a given traversal operation for this Container.
`void` | `Component.setFocusTraversalKeys(int id, Set keystrokes)` Sets the focus traversal keys for a given traversal operation for this Component.

Uses of Set in java.nio.channels

Methods in java.nio.channels that return Set
`abstract Set` | `Selector.keys()` Returns this selector's key set.
`abstract Set` | `Selector.selectedKeys()` Returns this selector's selected-key set.

Uses of Set in java.nio.channels.spi

Methods in java.nio.channels.spi that return Set
`protected Set` | `AbstractSelector.cancelledKeys()` Retrieves this selector's cancelled-key set.

Uses of Set in java.nio.charset

Methods in java.nio.charset that return Set
`Set` | `Charset.aliases()` Returns a set containing this charset's aliases.

Uses of Set in java.security

Methods in java.security that return Set
`static Set` | `Security.getAlgorithms(String serviceName)` Returns a Set of Strings containing the names of all available algorithms or types for the specified Java cryptographic service (e.g., Signature, MessageDigest, Cipher, Mac, KeyStore).
`Set` | `Provider.entrySet()` Returns an unmodifiable Set view of the property entries contained in this Provider.
`Set` | `Provider.keySet()` Returns an unmodifiable Set view of the property keys contained in this provider.

Uses of Set in java.security.cert

Methods in java.security.cert that return Set
`Set` | `X509CertSelector.getExtendedKeyUsage()` Returns the extendedKeyUsage criterion.
`Set` | `X509CertSelector.getPolicy()` Returns the policy criterion.
`Set` | `PolicyNode.getPolicyQualifiers()` Returns the set of policy qualifiers associated with the valid policy represented by this node.
`Set` | `PolicyNode.getExpectedPolicies()` Returns the set of expected policies that would satisfy this node's valid policy in the next certificate to be processed.
`abstract Set` | `PKIXCertPathChecker.getSupportedExtensions()` Returns an immutable `Set` of X.509 certificate extensions that this `PKIXCertPathChecker` supports (i.e.
`Set` | `PKIXParameters.getTrustAnchors()` Returns an immutable `Set` of the most-trusted CAs.
`Set` | `PKIXParameters.getInitialPolicies()` Returns an immutable `Set` of initial policy identifiers (OID strings), indicating that any one of these policies would be acceptable to the certificate user for the purposes of certification path processing.
`abstract Set` | `X509CRL.getRevokedCertificates()` Gets all the entries from this CRL.
`Set` | `X509Extension.getCriticalExtensionOIDs()` Gets a Set of the OID strings for the extension(s) marked CRITICAL in the certificate/CRL managed by the object implementing this interface.
`Set` | `X509Extension.getNonCriticalExtensionOIDs()` Gets a Set of the OID strings for the extension(s) marked NON-CRITICAL in the certificate/CRL managed by the object implementing this interface.

Methods in java.security.cert with parameters of type Set
`void` | `X509CertSelector.setExtendedKeyUsage(Set keyPurposeSet)` Sets the extendedKeyUsage criterion.
`void` | `X509CertSelector.setPolicy(Set certPolicySet)` Sets the policy constraint.
`void` | `PKIXParameters.setTrustAnchors(Set trustAnchors)` Sets the `Set` of most-trusted CAs.
`void` | `PKIXParameters.setInitialPolicies(Set initialPolicies)` Sets the `Set` of initial policy identifiers (OID strings), indicating that any one of these policies would be acceptable to the certificate user for the purposes of certification path processing.

Constructors in java.security.cert with parameters of type Set
`PKIXParameters(Set trustAnchors)` Creates an instance of `PKIXParameters` with the specified `Set` of most-trusted CAs.
`PKIXBuilderParameters(Set trustAnchors, CertSelector targetConstraints)` Creates an instance of `PKIXBuilderParameters` with the specified `Set` of most-trusted CAs.

Uses of Set in java.text

Methods in java.text that return Set
`Set` | `AttributedCharacterIterator.getAllAttributeKeys()` Returns the keys of all attributes defined on the iterator's text range.

Methods in java.text with parameters of type Set
`int` | `AttributedCharacterIterator.getRunStart(Set attributes)` Returns the index of the first character of the run with respect to the given attributes containing the current character.
`int` | `AttributedCharacterIterator.getRunLimit(Set attributes)` Returns the index of the first character following the run with respect to the given attributes containing the current character.

Uses of Set in java.util

Subinterfaces of Set in java.util
`interface` | `SortedSet` A set that further guarantees that its iterator will traverse the set in ascending element order, sorted according to the natural ordering of its elements (see Comparable), or by a Comparator provided at sorted set creation time.

Classes in java.util that implement Set
`class` | `AbstractSet` This class provides a skeletal implementation of the `Set` interface to minimize the effort required to implement this interface.
`class` | `HashSet` This class implements the `Set` interface, backed by a hash table (actually a `HashMap` instance).
`class` | `LinkedHashSet` Hash table and linked list implementation of the `Set` interface, with predictable iteration order.
`class` | `TreeSet` This class implements the `Set` interface, backed by a `TreeMap` instance.

Fields in java.util declared as Set
`static Set` | `Collections.EMPTY_SET` The empty set (immutable).

Methods in java.util that return Set
`Set` | `IdentityHashMap.keySet()` Returns an identity-based set view of the keys contained in this map.
`Set` | `IdentityHashMap.entrySet()` Returns a set view of the mappings contained in this map.
`Set` | `WeakHashMap.keySet()` Returns a set view of the keys contained in this map.
`Set` | `WeakHashMap.entrySet()` Returns a collection view of the mappings contained in this map.
`Set` | `TreeMap.keySet()` Returns a Set view of the keys contained in this map.
`Set` | `TreeMap.entrySet()` Returns a set view of the mappings contained in this map.
`static Set` | `Collections.unmodifiableSet(Set s)` Returns an unmodifiable view of the specified set.
`static Set` | `Collections.synchronizedSet(Set s)` Returns a synchronized (thread-safe) set backed by the specified set.
`static Set` | `Collections.singleton(Object o)` Returns an immutable set containing only the specified object.
`Set` | `AbstractMap.keySet()` Returns a Set view of the keys contained in this map.
`abstract Set` | `AbstractMap.entrySet()` Returns a set view of the mappings contained in this map.
`Set` | `HashMap.keySet()` Returns a set view of the keys contained in this map.
`Set` | `HashMap.entrySet()` Returns a collection view of the mappings contained in this map.
`Set` | `Map.keySet()` Returns a set view of the keys contained in this map.
`Set` | `Map.entrySet()` Returns a set view of the mappings contained in this map.
`Set` | `Hashtable.keySet()` Returns a Set view of the keys contained in this Hashtable.
`Set` | `Hashtable.entrySet()` Returns a Set view of the entries contained in this Hashtable.

Methods in java.util with parameters of type Set
`static Set` | `Collections.unmodifiableSet(Set s)` Returns an unmodifiable view of the specified set.
`static Set` | `Collections.synchronizedSet(Set s)` Returns a synchronized (thread-safe) set backed by the specified set.

Uses of Set in java.util.jar

Methods in java.util.jar that return Set
`Set` | `Attributes.keySet()` Returns a Set view of the attribute names (keys) contained in this Map.
`Set` | `Attributes.entrySet()` Returns a Collection view of the attribute name-value mappings contained in this Map.

Uses of Set in javax.imageio

Methods in javax.imageio with parameters of type Set
`IIOMetadata` | `ImageReader.getStreamMetadata(String formatName, Set nodeNames)` Returns an `IIOMetadata` object representing the metadata associated with the input source as a whole (i.e., not associated with any particular image).
`IIOMetadata` | `ImageReader.getImageMetadata(int imageIndex, String formatName, Set nodeNames)` Returns an `IIOMetadata` object representing the metadata associated with the given image, or `null` if the reader does not support reading metadata or none is available.

Uses of Set in javax.print.attribute.standard

Classes in javax.print.attribute.standard that implement Set
`class` | `JobStateReasons` Class JobStateReasons is a printing attribute class, a set of enumeration values, that provides additional information about the job's current state, i.e., information that augments the value of the job's `JobState` attribute.

Methods in javax.print.attribute.standard that return Set
`Set` | `PrinterStateReasons.printerStateReasonSet(Severity severity)` Obtain an unmodifiable set view of the individual printer state reason attributes at the given severity level in this PrinterStateReasons attribute.

Uses of Set in javax.security.auth

Methods in javax.security.auth that return Set
`Set` | `Subject.getPrincipals()` Return the `Set` of Principals associated with this `Subject`.
`Set` | `Subject.getPrincipals(Class c)` Return a `Set` of Principals associated with this `Subject` that are instances or subclasses of the specified `Class`.
`Set` | `Subject.getPublicCredentials()` Return the `Set` of public credentials held by this `Subject`.
`Set` | `Subject.getPrivateCredentials()` Return the `Set` of private credentials held by this `Subject`.
`Set` | `Subject.getPublicCredentials(Class c)` Return a `Set` of public credentials associated with this `Subject` that are instances or subclasses of the specified `Class`.
`Set` | `Subject.getPrivateCredentials(Class c)` Return a `Set` of private credentials associated with this `Subject` that are instances or subclasses of the specified `Class`.

Constructors in javax.security.auth with parameters of type Set
`Subject(boolean readOnly, Set principals, Set pubCredentials, Set privCredentials)` Create an instance of a `Subject` with the specified Sets of Principals and credentials.
`Subject(boolean readOnly, Set principals, Set pubCredentials, Set privCredentials)` Create an instance of a `Subject` with the specified Sets of Principals and credentials.
`Subject(boolean readOnly, Set principals, Set pubCredentials, Set privCredentials)` Create an instance of a `Subject` with the specified Sets of Principals and credentials.

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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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