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Uses of Package java.util (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档


Java™ Platform
Standard Ed. 6

Uses of Package
java.util

Packages that use java.util
java.applet Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context. 
java.awt Contains all of the classes for creating user interfaces and for painting graphics and images. 
java.awt.datatransfer Provides interfaces and classes for transferring data between and within applications. 
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.awt.event Provides interfaces and classes for dealing with different types of events fired by AWT components. 
java.awt.font Provides classes and interface relating to fonts. 
java.awt.im Provides classes and interfaces for the input method framework. 
java.awt.im.spi Provides interfaces that enable the development of input methods that can be used with any Java runtime environment. 
java.awt.image Provides classes for creating and modifying images. 
java.awt.image.renderable Provides classes and interfaces for producing rendering-independent images. 
java.beans Contains classes related to developing beans -- components based on the JavaBeansTM architecture. 
java.beans.beancontext Provides classes and interfaces relating to bean context. 
java.io Provides for system input and output through data streams, serialization and the file system. 
java.lang Provides classes that are fundamental to the design of the Java programming language. 
java.lang.management Provides the management interface for monitoring and management of the Java virtual machine as well as the operating system on which the Java virtual machine is running. 
java.math Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal). 
java.net Provides the classes for implementing networking applications. 
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.nio.charset.spi Service-provider classes for the java.nio.charset package. 
java.rmi.activation Provides support for RMI Object Activation. 
java.security Provides the classes and interfaces for the security framework. 
java.security.acl The classes and interfaces in this package have been superseded by classes in the java.security package. 
java.security.cert Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths. 
java.sql Provides the API for accessing and processing data stored in a data source (usually a relational database) using the JavaTM programming language. 
java.text Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages. 
java.text.spi Service provider classes for the classes in the java.text package. 
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. 
java.util.concurrent.locks Interfaces and classes providing a framework for locking and waiting for conditions that is distinct from built-in synchronization and monitors. 
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. 
java.util.logging Provides the classes and interfaces of the JavaTM 2 platform's core logging facilities. 
java.util.prefs This package allows applications to store and retrieve user and system preference and configuration data. 
java.util.spi Service provider classes for the classes in the java.util package. 
java.util.zip Provides classes for reading and writing the standard ZIP and GZIP file formats. 
javax.accessibility Defines a contract between user-interface components and an assistive technology that provides access to those components. 
javax.activation   
javax.annotation.processing Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment. 
javax.imageio The main package of the Java Image I/O API. 
javax.imageio.event A package of the Java Image I/O API dealing with synchronous notification of events during the reading and writing of images. 
javax.imageio.metadata A package of the Java Image I/O API dealing with reading and writing metadata. 
javax.imageio.plugins.bmp Package containing the public classes used by the built-in BMP plug-in. 
javax.imageio.plugins.jpeg Classes supporting the built-in JPEG plug-in. 
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.lang.model.element Interfaces used to model elements of the Java programming language. 
javax.lang.model.type Interfaces used to model Java programming language types. 
javax.lang.model.util Utilities to assist in the processing of program elements and types
javax.management Provides the core classes for the Java Management Extensions. 
javax.management.loading Provides the classes which implement advanced dynamic loading. 
javax.management.monitor Provides the definition of the monitor classes. 
javax.management.openmbean Provides the open data types and Open MBean descriptor classes. 
javax.management.relation Provides the definition of the Relation Service. 
javax.management.remote Interfaces for remote access to JMX MBean servers. 
javax.management.remote.rmi The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server. 
javax.management.timer Provides the definition of the Timer MBean. 
javax.naming Provides the classes and interfaces for accessing naming services. 
javax.naming.directory Extends the javax.naming package to provide functionality for accessing directory services. 
javax.naming.event Provides support for event notification when accessing naming and directory services. 
javax.naming.ldap Provides support for LDAPv3 extended operations and controls. 
javax.naming.spi Provides the means for dynamically plugging in support for accessing naming and directory services through the javax.naming and related packages. 
javax.net.ssl Provides classes for the secure socket package. 
javax.print.attribute Provides classes and interfaces that describe the types of JavaTM Print Service attributes and how they can be collected into attribute sets. 
javax.print.attribute.standard Package javax.print.attribute.standard contains classes for specific printing attributes. 
javax.print.event Package javax.print.event contains event classes and listener interfaces. 
javax.script The scripting API consists of interfaces and classes that define Java TM Scripting Engines and provides a framework for their use in Java applications. 
javax.security.auth This package provides a framework for authentication and authorization. 
javax.security.auth.callback This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example). 
javax.security.auth.kerberos This package contains utility classes related to the Kerberos network authentication protocol. 
javax.security.auth.login This package provides a pluggable authentication framework. 
javax.security.auth.spi This package provides the interface to be used for implementing pluggable authentication modules. 
javax.security.auth.x500 This package contains the classes that should be used to store X500 Principal and X500 Private Crendentials in a Subject
javax.security.sasl Contains class and interfaces for supporting SASL. 
javax.sound.midi Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data. 
javax.sound.sampled Provides interfaces and classes for capture, processing, and playback of sampled audio data. 
javax.sql Provides the API for server side data source access and processing from the JavaTM programming language. 
javax.sql.rowset Standard interfaces and base classes for JDBC RowSet implementations. 
javax.sql.rowset.serial Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language. 
javax.sql.rowset.spi The standard classes and interfaces that a third party vendor has to use in its implementation of a synchronization provider. 
javax.swing Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms. 
javax.swing.event Provides for events fired by Swing components. 
javax.swing.plaf.basic Provides user interface objects built according to the Basic look and feel. 
javax.swing.plaf.metal Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel. 
javax.swing.plaf.multi Provides user interface objects that combine two or more look and feels. 
javax.swing.table Provides classes and interfaces for dealing with javax.swing.JTable
javax.swing.text Provides classes and interfaces that deal with editable and noneditable text components. 
javax.swing.text.html Provides the class HTMLEditorKit and supporting classes for creating HTML text editors. 
javax.swing.text.html.parser Provides the default HTML parser, along with support classes. 
javax.swing.tree Provides classes and interfaces for dealing with javax.swing.JTree
javax.swing.undo Allows developers to provide support for undo/redo in applications such as text editors. 
javax.tools Provides interfaces for tools which can be invoked from a program, for example, compilers. 
javax.xml.bind Provides a runtime binding framework for client applications including unmarshalling, marshalling, and validation capabilities. 
javax.xml.crypto Common classes for XML cryptography. 
javax.xml.crypto.dom DOM-specific classes for the javax.xml.crypto package. 
javax.xml.crypto.dsig Classes for generating and validating XML digital signatures. 
javax.xml.crypto.dsig.keyinfo Classes for parsing and processing KeyInfo elements and structures. 
javax.xml.crypto.dsig.spec Parameter classes for XML digital signatures. 
javax.xml.datatype XML/Java Type Mappings. 
javax.xml.namespace XML Namespace processing. 
javax.xml.soap Provides the API for creating and building SOAP messages. 
javax.xml.stream   
javax.xml.stream.events   
javax.xml.stream.util   
javax.xml.transform This package defines the generic APIs for processing transformation instructions, and performing a transformation from source to result. 
javax.xml.ws This package contains the core JAX-WS APIs. 
javax.xml.ws.handler This package defines APIs for message handlers. 
javax.xml.ws.handler.soap This package defines APIs for SOAP message handlers. 
javax.xml.ws.soap This package defines APIs specific to the SOAP binding. 
javax.xml.ws.spi This package defines SPIs for JAX-WS 2.0. 
javax.xml.xpath This package provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment. 
org.omg.CORBA Provides the mapping of the OMG CORBA APIs to the JavaTM programming language, including the class ORB, which is implemented so that a programmer can use it as a fully-functional Object Request Broker (ORB). 
org.xml.sax This package provides the core SAX APIs. 
org.xml.sax.helpers This package contains "helper" classes, including support for bootstrapping SAX-based applications. 
 

Classes in java.util used by java.applet
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Iterator
          An iterator over a collection.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by java.awt
Collection
          The root interface in the collection hierarchy.
EmptyStackException
          Thrown by methods in the Stack class to indicate that the stack is empty.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
Hashtable
          This class implements a hashtable, which maps keys to values.
List
          An ordered collection (also known as a sequence).
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Map
          An object that maps keys to values.
Map.Entry
          A map entry (key-value pair).
Properties
          The Properties class represents a persistent set of properties.
ResourceBundle
          Resource bundles contain locale-specific objects.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by java.awt.datatransfer
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
 

Classes in java.util used by java.awt.dnd
ArrayList
          Resizable-array implementation of the List interface.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
Iterator
          An iterator over a collection.
List
          An ordered collection (also known as a sequence).
TooManyListenersException
           The TooManyListenersException Exception is used as part of the Java Event model to annotate and implement a unicast special case of a multicast Event Source.
 

Classes in java.util used by java.awt.event
EventListener
          A tagging interface that all event listener interfaces must extend.
EventListenerProxy
          An abstract wrapper class for an EventListener class which associates a set of additional parameters with the listener.
EventObject
           The root class from which all event state objects shall be derived.
 

Classes in java.util used by java.awt.font
Map
          An object that maps keys to values.
 

Classes in java.util used by java.awt.im
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Map
          An object that maps keys to values.
 

Classes in java.util used by java.awt.im.spi
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by java.awt.image
Hashtable
          This class implements a hashtable, which maps keys to values.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by java.awt.image.renderable
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by java.beans
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventListenerProxy
          An abstract wrapper class for an EventListener class which associates a set of additional parameters with the listener.
EventObject
           The root class from which all event state objects shall be derived.
 

Classes in java.util used by java.beans.beancontext
ArrayList
          Resizable-array implementation of the List interface.
Collection
          The root interface in the collection hierarchy.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
HashMap
          Hash table based implementation of the Map interface.
Iterator
          An iterator over a collection.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
TooManyListenersException
           The TooManyListenersException Exception is used as part of the Java Event model to annotate and implement a unicast special case of a multicast Event Source.
 

Classes in java.util used by java.io
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by java.lang
Comparator
          A comparison function, which imposes a total ordering on some collection of objects.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Iterator
          An iterator over a collection.
List
          An ordered collection (also known as a sequence).
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Map
          An object that maps keys to values.
Properties
          The Properties class represents a persistent set of properties.
 

Classes in java.util used by java.lang.management
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
 

Classes in java.util used by java.math
Random
          An instance of this class is used to generate a stream of pseudorandom numbers.
 

Classes in java.util used by java.net
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
 

Classes in java.util used by java.nio.channels
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by java.nio.channels.spi
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by java.nio.charset
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Set
          A collection that contains no duplicate elements.
SortedMap
          A Map that further provides a total ordering on its keys.
 

Classes in java.util used by java.nio.charset.spi
Iterator
          An iterator over a collection.
 

Classes in java.util used by java.rmi.activation
Properties
          The Properties class represents a persistent set of properties.
 

Classes in java.util used by java.security
Collection
          The root interface in the collection hierarchy.
Date
          The class Date represents a specific instant in time, with millisecond precision.
Dictionary
          The Dictionary class is the abstract parent of any class, such as Hashtable, which maps keys to values.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Hashtable
          This class implements a hashtable, which maps keys to values.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
Map.Entry
          A map entry (key-value pair).
Properties
          The Properties class represents a persistent set of properties.
Random
          An instance of this class is used to generate a stream of pseudorandom numbers.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by java.security.acl
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
 

Classes in java.util used by java.security.cert
Collection
          The root interface in the collection hierarchy.
Date
          The class Date represents a specific instant in time, with millisecond precision.
Iterator
          An iterator over a collection.
List
          An ordered collection (also known as a sequence).
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by java.sql
Calendar
          The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
Date
          The class Date represents a specific instant in time, with millisecond precision.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Iterator
          An iterator over a collection.
Map
          An object that maps keys to values.
Properties
          The Properties class represents a persistent set of properties.
 

Classes in java.util used by java.text
Calendar
          The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
Comparator
          A comparison function, which imposes a total ordering on some collection of objects.
Currency
          Represents a currency.
Date
          The class Date represents a specific instant in time, with millisecond precision.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Map
          An object that maps keys to values.
Set
          A collection that contains no duplicate elements.
TimeZone
          TimeZone represents a time zone offset, and also figures out daylight savings.
 

Classes in java.util used by java.text.spi
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by java.util
AbstractCollection
          This class provides a skeletal implementation of the Collection interface, to minimize the effort required to implement this interface.
AbstractList
          This class provides a skeletal implementation of the List interface to minimize the effort required to implement this interface backed by a "random access" data store (such as an array).
AbstractMap
          This class provides a skeletal implementation of the Map interface, to minimize the effort required to implement this interface.
AbstractQueue
          This class provides skeletal implementations of some Queue operations.
AbstractSequentialList
          This class provides a skeletal implementation of the List interface to minimize the effort required to implement this interface backed by a "sequential access" data store (such as a linked list).
AbstractSet
          This class provides a skeletal implementation of the Set interface to minimize the effort required to implement this interface.
ArrayDeque
          Resizable-array implementation of the Deque interface.
ArrayList
          Resizable-array implementation of the List interface.
BitSet
          This class implements a vector of bits that grows as needed.
Calendar
          The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
Collection
          The root interface in the collection hierarchy.
Comparator
          A comparison function, which imposes a total ordering on some collection of objects.
Currency
          Represents a currency.
Date
          The class Date represents a specific instant in time, with millisecond precision.
Deque
          A linear collection that supports element insertion and removal at both ends.
Dictionary
          The Dictionary class is the abstract parent of any class, such as Hashtable, which maps keys to values.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EnumMap
          A specialized Map implementation for use with enum type keys.
EnumSet
          A specialized Set implementation for use with enum types.
EventListener
          A tagging interface that all event listener interfaces must extend.
Formatter
          An interpreter for printf-style format strings.
Formatter.BigDecimalLayoutForm
           
HashMap
          Hash table based implementation of the Map interface.
HashSet
          This class implements the Set interface, backed by a hash table (actually a HashMap instance).
Hashtable
          This class implements a hashtable, which maps keys to values.
IllegalFormatException
          Unchecked exception thrown when a format string contains an illegal syntax or a format specifier that is incompatible with the given arguments.
InvalidPropertiesFormatException
          Thrown to indicate that an operation could not complete because the input did not conform to the appropriate XML document type for a collection of properties, as per the Properties specification.
Iterator
          An iterator over a collection.
List
          An ordered collection (also known as a sequence).
ListIterator
          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.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Map
          An object that maps keys to values.
Map.Entry
          A map entry (key-value pair).
MissingResourceException
          Signals that a resource is missing.
NavigableMap
          A SortedMap extended with navigation methods returning the closest matches for given search targets.
NavigableSet
          A SortedSet extended with navigation methods reporting closest matches for given search targets.
NoSuchElementException
          Thrown by the nextElement method of an Enumeration to indicate that there are no more elements in the enumeration.
Observable
          This class represents an observable object, or "data" in the model-view paradigm.
Observer
          A class can implement the Observer interface when it wants to be informed of changes in observable objects.
PriorityQueue
          An unbounded priority queue based on a priority heap.
Properties
          The Properties class represents a persistent set of properties.
Queue
          A collection designed for holding elements prior to processing.
Random
          An instance of this class is used to generate a stream of pseudorandom numbers.
RandomAccess
          Marker interface used by List implementations to indicate that they support fast (generally constant time) random access.
ResourceBundle
          Resource bundles contain locale-specific objects.
ResourceBundle.Control
          ResourceBundle.Control defines a set of callback methods that are invoked by the ResourceBundle.getBundle factory methods during the bundle loading process.
Scanner
          A simple text scanner which can parse primitive types and strings using regular expressions.
ServiceLoader
          A simple service-provider loading facility.
Set
          A collection that contains no duplicate elements.
SortedMap
          A Map that further provides a total ordering on its keys.
SortedSet
          A Set that further provides a total ordering on its elements.
TimerTask
          A task that can be scheduled for one-time or repeated execution by a Timer.
TimeZone
          TimeZone represents a time zone offset, and also figures out daylight savings.
UUID
          A class that represents an immutable universally unique identifier (UUID).
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by java.util.concurrent
AbstractCollection
          This class provides a skeletal implementation of the Collection interface, to minimize the effort required to implement this interface.
AbstractMap
          This class provides a skeletal implementation of the Map interface, to minimize the effort required to implement this interface.
AbstractQueue
          This class provides skeletal implementations of some Queue operations.
AbstractSet
          This class provides a skeletal implementation of the Set interface to minimize the effort required to implement this interface.
Collection
          The root interface in the collection hierarchy.
Comparator
          A comparison function, which imposes a total ordering on some collection of objects.
Deque
          A linear collection that supports element insertion and removal at both ends.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Iterator
          An iterator over a collection.
List
          An ordered collection (also known as a sequence).
ListIterator
          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.
Map
          An object that maps keys to values.
Map.Entry
          A map entry (key-value pair).
NavigableMap
          A SortedMap extended with navigation methods returning the closest matches for given search targets.
NavigableSet
          A SortedSet extended with navigation methods reporting closest matches for given search targets.
Queue
          A collection designed for holding elements prior to processing.
RandomAccess
          Marker interface used by List implementations to indicate that they support fast (generally constant time) random access.
Set
          A collection that contains no duplicate elements.
SortedMap
          A Map that further provides a total ordering on its keys.
SortedSet
          A Set that further provides a total ordering on its elements.
 

Classes in java.util used by java.util.concurrent.locks
Collection
          The root interface in the collection hierarchy.
Date
          The class Date represents a specific instant in time, with millisecond precision.
 

Classes in java.util used by java.util.jar
Collection
          The root interface in the collection hierarchy.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Map
          An object that maps keys to values.
Map.Entry
          A map entry (key-value pair).
Set
          A collection that contains no duplicate elements.
SortedMap
          A Map that further provides a total ordering on its keys.
 

Classes in java.util used by java.util.logging
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
List
          An ordered collection (also known as a sequence).
ResourceBundle
          Resource bundles contain locale-specific objects.
 

Classes in java.util used by java.util.prefs
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
 

Classes in java.util used by java.util.spi
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by java.util.zip
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
 

Classes in java.util used by javax.accessibility
ListResourceBundle
          ListResourceBundle is an abstract subclass of ResourceBundle that manages resources for a locale in a convenient and easy to use list.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
ResourceBundle
          Resource bundles contain locale-specific objects.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.activation
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
 

Classes in java.util used by javax.annotation.processing
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Map
          An object that maps keys to values.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.imageio
Iterator
          An iterator over a collection.
List
          An ordered collection (also known as a sequence).
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.imageio.event
EventListener
          A tagging interface that all event listener interfaces must extend.
 

Classes in java.util used by javax.imageio.metadata
List
          An ordered collection (also known as a sequence).
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by javax.imageio.plugins.bmp
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by javax.imageio.plugins.jpeg
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by javax.imageio.spi
Iterator
          An iterator over a collection.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by javax.lang.model.element
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.lang.model.type
List
          An ordered collection (also known as a sequence).
 

Classes in java.util used by javax.lang.model.util
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.management
AbstractCollection
          This class provides a skeletal implementation of the Collection interface, to minimize the effort required to implement this interface.
AbstractList
          This class provides a skeletal implementation of the List interface to minimize the effort required to implement this interface backed by a "random access" data store (such as an array).
ArrayList
          Resizable-array implementation of the List interface.
Collection
          The root interface in the collection hierarchy.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
Hashtable
          This class implements a hashtable, which maps keys to values.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
RandomAccess
          Marker interface used by List implementations to indicate that they support fast (generally constant time) random access.
Set
          A collection that contains no duplicate elements.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.management.loading
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.management.monitor
EventObject
           The root class from which all event state objects shall be derived.
 

Classes in java.util used by javax.management.openmbean
Collection
          The root interface in the collection hierarchy.
Date
          The class Date represents a specific instant in time, with millisecond precision.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
Map.Entry
          A map entry (key-value pair).
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.management.relation
AbstractCollection
          This class provides a skeletal implementation of the Collection interface, to minimize the effort required to implement this interface.
AbstractList
          This class provides a skeletal implementation of the List interface to minimize the effort required to implement this interface backed by a "random access" data store (such as an array).
ArrayList
          Resizable-array implementation of the List interface.
Collection
          The root interface in the collection hierarchy.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
RandomAccess
          Marker interface used by List implementations to indicate that they support fast (generally constant time) random access.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.management.remote
EventObject
           The root class from which all event state objects shall be derived.
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.management.remote.rmi
Map
          An object that maps keys to values.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.management.timer
Date
          The class Date represents a specific instant in time, with millisecond precision.
EventObject
           The root class from which all event state objects shall be derived.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.naming
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Hashtable
          This class implements a hashtable, which maps keys to values.
Properties
          The Properties class represents a persistent set of properties.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.naming.directory
Hashtable
          This class implements a hashtable, which maps keys to values.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.naming.event
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
 

Classes in java.util used by javax.naming.ldap
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
Hashtable
          This class implements a hashtable, which maps keys to values.
List
          An ordered collection (also known as a sequence).
 

Classes in java.util used by javax.naming.spi
Hashtable
          This class implements a hashtable, which maps keys to values.
 

Classes in java.util used by javax.net.ssl
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
List
          An ordered collection (also known as a sequence).
 

Classes in java.util used by javax.print.attribute
Date
          The class Date represents a specific instant in time, with millisecond precision.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by javax.print.attribute.standard
AbstractCollection
          This class provides a skeletal implementation of the Collection interface, to minimize the effort required to implement this interface.
AbstractMap
          This class provides a skeletal implementation of the Map interface, to minimize the effort required to implement this interface.
AbstractSet
          This class provides a skeletal implementation of the Set interface to minimize the effort required to implement this interface.
Collection
          The root interface in the collection hierarchy.
Date
          The class Date represents a specific instant in time, with millisecond precision.
HashMap
          Hash table based implementation of the Map interface.
HashSet
          This class implements the Set interface, backed by a hash table (actually a HashMap instance).
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Map
          An object that maps keys to values.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.print.event
EventObject
           The root class from which all event state objects shall be derived.
 

Classes in java.util used by javax.script
Collection
          The root interface in the collection hierarchy.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
Map.Entry
          A map entry (key-value pair).
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.security.auth
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.security.auth.callback
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by javax.security.auth.kerberos
Date
          The class Date represents a specific instant in time, with millisecond precision.
 

Classes in java.util used by javax.security.auth.login
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.security.auth.spi
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.security.auth.x500
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.security.sasl
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.sound.midi
EventListener
          A tagging interface that all event listener interfaces must extend.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.sound.sampled
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.sql
Calendar
          The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.sql.rowset
Calendar
          The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
Collection
          The root interface in the collection hierarchy.
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.sql.rowset.serial
Map
          An object that maps keys to values.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.sql.rowset.spi
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
 

Classes in java.util used by javax.swing
Comparator
          A comparison function, which imposes a total ordering on some collection of objects.
Date
          The class Date represents a specific instant in time, with millisecond precision.
Dictionary
          The Dictionary class is the abstract parent of any class, such as Hashtable, which maps keys to values.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
Hashtable
          This class implements a hashtable, which maps keys to values.
List
          An ordered collection (also known as a sequence).
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Map
          An object that maps keys to values.
Set
          A collection that contains no duplicate elements.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.swing.event
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
 

Classes in java.util used by javax.swing.plaf.basic
EventListener
          A tagging interface that all event listener interfaces must extend.
Hashtable
          This class implements a hashtable, which maps keys to values.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.swing.plaf.metal
EventListener
          A tagging interface that all event listener interfaces must extend.
 

Classes in java.util used by javax.swing.plaf.multi
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.swing.table
Comparator
          A comparison function, which imposes a total ordering on some collection of objects.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EventListener
          A tagging interface that all event listener interfaces must extend.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.swing.text
Dictionary
          The Dictionary class is the abstract parent of any class, such as Hashtable, which maps keys to values.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EventListener
          A tagging interface that all event listener interfaces must extend.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.swing.text.html
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.swing.text.html.parser
BitSet
          This class implements a vector of bits that grows as needed.
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Hashtable
          This class implements a hashtable, which maps keys to values.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.swing.tree
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
EventListener
          A tagging interface that all event listener interfaces must extend.
EventObject
           The root class from which all event state objects shall be derived.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.swing.undo
EventListener
          A tagging interface that all event listener interfaces must extend.
Hashtable
          This class implements a hashtable, which maps keys to values.
Vector
          The Vector class implements a growable array of objects.
 

Classes in java.util used by javax.tools
Iterator
          An iterator over a collection.
List
          An ordered collection (also known as a sequence).
Locale
          A Locale object represents a specific geographical, political, or cultural region.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.xml.bind
Calendar
          The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.xml.crypto
Iterator
          An iterator over a collection.
 

Classes in java.util used by javax.xml.crypto.dom
Iterator
          An iterator over a collection.
 

Classes in java.util used by javax.xml.crypto.dsig
List
          An ordered collection (also known as a sequence).
 

Classes in java.util used by javax.xml.crypto.dsig.keyinfo
List
          An ordered collection (also known as a sequence).
 

Classes in java.util used by javax.xml.crypto.dsig.spec
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.xml.datatype
Calendar
          The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
Date
          The class Date represents a specific instant in time, with millisecond precision.
GregorianCalendar
          GregorianCalendar is a concrete subclass of Calendar and provides the standard calendar system used by most of the world.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
TimeZone
          TimeZone represents a time zone offset, and also figures out daylight savings.
 

Classes in java.util used by javax.xml.namespace
Iterator
          An iterator over a collection.
 

Classes in java.util used by javax.xml.soap
Iterator
          An iterator over a collection.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by javax.xml.stream
Iterator
          An iterator over a collection.
 

Classes in java.util used by javax.xml.stream.events
Iterator
          An iterator over a collection.
List
          An ordered collection (also known as a sequence).
 

Classes in java.util used by javax.xml.stream.util
Iterator
          An iterator over a collection.
 

Classes in java.util used by javax.xml.transform
Properties
          The Properties class represents a persistent set of properties.
 

Classes in java.util used by javax.xml.ws
Iterator
          An iterator over a collection.
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.xml.ws.handler
List
          An ordered collection (also known as a sequence).
Map
          An object that maps keys to values.
 

Classes in java.util used by javax.xml.ws.handler.soap
Map
          An object that maps keys to values.
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.xml.ws.soap
Set
          A collection that contains no duplicate elements.
 

Classes in java.util used by javax.xml.ws.spi
Iterator
          An iterator over a collection.
 

Classes in java.util used by javax.xml.xpath
List
          An ordered collection (also known as a sequence).
 

Classes in java.util used by org.omg.CORBA
Properties
          The Properties class represents a persistent set of properties.
 

Classes in java.util used by org.xml.sax
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 

Classes in java.util used by org.xml.sax.helpers
Enumeration
          An object that implements the Enumeration interface generates a series of elements, one at a time.
Locale
          A Locale object represents a specific geographical, political, or cultural region.
 


Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java 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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