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Packages that use java.util | |
java.awt | |
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.math | |
java.net | Provides the classes for implementing networking applications. |
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java.security.acl | The classes and interfaces in this package have been superseded by classes in the java.security package.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. |
java.text | Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages. |
java.text.resources | |
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. |
java.util.zip | Provides classes for reading and writing the standard ZIP and GZIP file formats. |
Classes in java.util used by java.awtLocale
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A Locale object represents a specific geographical, political,
or cultural region.ResourceBundle
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Resource bundles contain locale-specific objects. |
Classes in java.util used by java.ioEnumeration
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An object that implements the Enumeration interface generates a series of elements, one at a time. |
Classes in java.util used by java.langComparator
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A comparison function, which imposes a total ordering on some collection of objects. Enumeration
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An object that implements the Enumeration interface generates a series of elements, one at a time. Locale
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A Locale object represents a specific geographical, political,
or cultural region.Properties
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The Properties class represents a persistent set of
properties. |
Classes in java.util used by java.mathRandom
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An instance of this class is used to generate a stream of pseudorandom numbers. |
Classes in java.util used by java.netEnumeration
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An object that implements the Enumeration interface generates a series of elements, one at a time. |
Classes in java.util used by java.securityCollection
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The root interface in the collection hierarchy. Date
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The class Date represents a specific instant
in time, with millisecond precision.Dictionary
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The Dictionary class is the abstract parent of any
class, such as Hashtable , which maps keys to values.Enumeration
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An object that implements the Enumeration interface generates a series of elements, one at a time. Hashtable
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This class implements a hashtable, which maps keys to values. Map
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An object that maps keys to values. Properties
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The Properties class represents a persistent set of
properties.Random
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An instance of this class is used to generate a stream of pseudorandom numbers. Set
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A collection that contains no duplicate elements. |
Classes in java.util used by java.security.aclEnumeration
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An object that implements the Enumeration interface generates a series of elements, one at a time. |
Classes in java.util used by java.security.certCollection
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The root interface in the collection hierarchy. Date
|
The class Date represents a specific instant
in time, with millisecond precision.Set
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A collection that contains no duplicate elements. |
Classes in java.util used by java.textCalendar
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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
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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
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A Locale object represents a specific geographical, political,
or cultural region.Map
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An object that maps keys to values. Set
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A collection that contains no duplicate elements. TimeZone
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TimeZone represents a time zone offset, and also figures out daylight
savings. |
Classes in java.util used by java.text.resourcesEnumeration
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An object that implements the Enumeration interface generates a series of elements, one at a time. 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. |
Classes in java.util used by java.utilAbstractCollection
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This class provides a skeletal implementation of the Collection interface, to minimize the effort required to implement this interface. AbstractList
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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
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This class provides a skeletal implementation of the Map interface, to minimize the effort required to implement this interface. AbstractSequentialList
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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
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This class provides a skeletal implementation of the Set interface to minimize the effort required to implement this interface. BitSet
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This class implements a vector of bits that grows as needed. Calendar
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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
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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
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An iterator over a collection. List
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An ordered collection (also known as a sequence). ListIterator
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An iterator for lists that allows the programmer to traverse the list in either direction and modify the list during iteration. Locale
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A Locale object represents a specific geographical, political,
or cultural region.Map
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An object that maps keys to values. MissingResourceException
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Signals that a resource is missing. Observable
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This class represents an observable object, or "data" in the model-view paradigm. Observer
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A class can implement the Observer interface when it
wants to be informed of changes in observable objects.Properties
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The Properties class represents a persistent set of
properties.Random
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An instance of this class is used to generate a stream of pseudorandom numbers. ResourceBundle
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Resource bundles contain locale-specific objects. Set
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A collection that contains no duplicate elements. SortedMap
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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
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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. TimerTask
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A task that can be scheduled for one-time or repeated execution by a Timer. TimeZone
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TimeZone represents a time zone offset, and also figures out daylight
savings.Vector
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The Vector class implements a growable array of
objects. |
Classes in java.util used by java.util.jarCollection
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The root interface in the collection hierarchy. Enumeration
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An object that implements the Enumeration interface generates a series of elements, one at a time. Map
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An object that maps keys to values. Set
|
A collection that contains no duplicate elements. |
Classes in java.util used by java.util.zipEnumeration
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An object that implements the Enumeration interface generates a series of elements, one at a time. |
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