Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Uses of Package java.util - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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.

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 Event class is the abstract root class from which all event state objects shall be derived.

Hashtable           This class implements a hashtable, which maps keys to values.

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.

ResourceBundle           Resource bundles contain locale-specific objects.

Set           A collection that contains no duplicate elements.

 

Classes in java.util used by java.awt.datatransfer

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 Event class is the abstract 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

EventObject            The Event class is the abstract 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.

 

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

EventObject            The Event class is the abstract 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 Event class is the abstract 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.

 

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.

Locale           A Locale object represents a specific geographical, political, or cultural region.

Properties           The Properties class represents a persistent set of properties.

 

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.

 

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.

Map           An object that maps keys to values.

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.

Set           A collection that contains no duplicate elements.

 

Classes in java.util used by java.sql

Calendar           Calendar is an abstract base class for converting between a Date object and a set of integer fields such as YEAR, MONTH, DAY, HOUR, and so on.

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.

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           Calendar is an abstract base class for converting between a Date object and a set of integer fields such as YEAR, MONTH, DAY, HOUR, and so on.

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.

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.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.

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.

BitSet           This class implements a vector of bits that grows as needed.

Calendar           Calendar is an abstract base class for converting between a Date object and a set of integer fields such as YEAR, MONTH, DAY, HOUR, and so on.

Collection           The root interface in the collection hierarchy.

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.

Hashtable           This class implements a hashtable, which maps keys to values.

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 and modify the list during iteration.

Locale           A Locale object represents a specific geographical, political, or cultural region.

Map           An object that maps keys to values.

MissingResourceException           Signals that a resource is missing.

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.

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.

ResourceBundle           Resource bundles contain locale-specific objects.

Set           A collection that contains no duplicate elements.

SortedMap           A map that further guarantees that it will be in ascending key order, sorted according to the natural ordering of its keys (see the Comparable interface), or by a comparator provided at sorted map creation time.

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.

TimeZone           TimeZone represents a time zone offset, and also figures out daylight savings.

Vector           The Vector class implements a growable array of objects.

 

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.

Set           A collection that contains no duplicate elements.

 

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 a 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.swing

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 Event class is the abstract root class from which all event state objects shall be derived.

Hashtable           This class implements a hashtable, which maps keys to values.

Locale           A Locale object represents a specific geographical, political, or cultural region.

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.swing.event

EventListener           A tagging interface that all event listener interfaces must extend

EventObject            The Event class is the abstract 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

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 Event class is the abstract 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 Event class is the abstract 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 org.omg.CORBA

Properties           The Properties class represents a persistent set of properties.