Uses of Package
java.util

Packages that use java.util
Package Description
SQLite  
SQLite.JDBC2z  
com.squareup.okhttp  
com.squareup.okhttp.internal  
com.squareup.okhttp.internal.http  
com.squareup.okhttp.internal.spdy  
java.beans  
java.io  
java.lang  
java.lang.reflect  
java.math  
java.net  
java.nio.channels  
java.nio.channels.spi  
java.nio.charset  
java.nio.charset.spi  
java.security
Extensible cryptographic service provider infrastructure (SPI) for using and defining services such as Certificates, Keys, KeyStores, MessageDigests, and Signatures.
java.security.acl
This package provides the classes and the interfaces needed to build Access Control Lists.
java.security.cert
This package provides all the classes and all the interfaces needed to generate, administer and verify X.509 certificates.
java.sql  
java.text  
java.text.spi  
java.util  
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  
java.util.logging  
java.util.prefs  
java.util.spi  
java.util.zip  
javax.net.ssl
This package provides classes and interfaces needed to use the Secure Sockets Layer (SSL) protocol and the successor Transport Layer Security (TLS) protocol.
javax.security.auth  
javax.security.auth.x500
This package provides classes needed to store X.500 principals and their credentials.
javax.security.cert
This package is provided only for compatibility reasons.
javax.sql  
javax.xml.datatype  
javax.xml.namespace  
javax.xml.transform  
javax.xml.xpath  
libcore.icu  
libcore.net.http  
libcore.util  
org.apache.commons.codec
A small set of interfaces used by the various implementations in the sub-packages.
org.apache.commons.codec.net
Network related encoding and decoding.
org.apache.commons.logging
Simple wrapper API around multiple logging APIs.
org.apache.commons.logging.impl
Concrete implementations of commons-logging wrapper APIs.
org.apache.harmony.security  
org.apache.harmony.security.asn1  
org.apache.harmony.security.fortress  
org.apache.harmony.security.pkcs7  
org.apache.harmony.security.pkcs8  
org.apache.harmony.security.provider.cert  
org.apache.harmony.security.provider.crypto  
org.apache.harmony.security.x501  
org.apache.harmony.security.x509  
org.apache.harmony.security.x509.tsp  
org.apache.http
The core interfaces and classes of the HTTP components.
org.apache.http.auth
The API for client-side HTTP authentication against a server, commonly referred to as HttpAuth.
org.apache.http.client
The API for client-side HTTP communication and entry point to the HttpClient module.
org.apache.http.client.entity  
org.apache.http.client.methods
Request implementations for the various HTTP methods like GET and POST.
org.apache.http.client.params
Parameters for configuring HttpClient.
org.apache.http.client.protocol
Additional request and response interceptors.
org.apache.http.client.utils
Helpers and utility classes for HttpClient.
org.apache.http.conn.params
Parameters for configuring HttpConn.
org.apache.http.conn.scheme  
org.apache.http.cookie
The API for client-side state management via cookies, commonly referred to as HttpCookie.
org.apache.http.cookie.params
Parameters for configuring HttpCookie.
org.apache.http.impl
Default implementations for interfaces in org.apache.http.
org.apache.http.impl.auth  
org.apache.http.impl.client  
org.apache.http.impl.conn  
org.apache.http.impl.conn.tsccm
The implementation of a thread-safe client connection manager.
org.apache.http.impl.cookie  
org.apache.http.message
A selection of HTTP message implementations.
org.apache.http.protocol
HTTP protocol execution framework.
org.apache.http.util
Mostly utility classes with static helper methods for various purposes.
org.apache.xalan.extensions  
org.apache.xalan.processor
Parses an XSLT stylesheet document (which may include and import other stylesheet documents) and produces a StylesheetRoot (a TRaX Templates object).
org.apache.xalan.res
Contains strings that require internationalization.
org.apache.xalan.templates
Implements the Templates interface, and defines a set of classes that represent an XSLT stylesheet.
org.apache.xalan.transformer
In charge of run-time transformations and the production of result trees.
org.apache.xalan.xslt
Implementation of Xalan command-line interface.
org.apache.xml.dtm.ref  
org.apache.xml.dtm.ref.dom2dtm  
org.apache.xml.dtm.ref.sax2dtm  
org.apache.xml.res  
org.apache.xml.serializer
Processes SAX events into streams.
org.apache.xml.serializer.dom3  
org.apache.xml.serializer.utils  
org.apache.xml.utils
Implementation of Xalan utility classes.
org.apache.xml.utils.res  
org.apache.xpath
Implementation of XPath; for the most part, only classes meant for public use are found at this root level of the XPath packages.
org.apache.xpath.axes
Implementation of XPath LocationPath support -- primary classes are LocPathIterator and UnionPathIterator.
org.apache.xpath.functions
Implements XPath functions -- each function is derived from Function, FunctionOneArg, Function2Args, etc, with number-of-arguments checking being applied mainly at compile time -- this package only implements XPath functions, XSLT functions are found in the "templates" package.
org.apache.xpath.jaxp  
org.apache.xpath.objects
Implementation of XPath polymorphic type objects -- this package will grow as XPath objects are expanded to support XML Schema data types.
org.apache.xpath.operations
Support for XPath operations, such as +, -, string(), etc.
org.apache.xpath.patterns
Implementation of XPath nodeTest support, and XSLT pattern matching support.
org.apache.xpath.res
Contains strings for XPath support that require internationalization.
org.bouncycastle.asn1  
org.bouncycastle.asn1.cms  
org.bouncycastle.asn1.nist  
org.bouncycastle.asn1.sec  
org.bouncycastle.asn1.x500.style  
org.bouncycastle.asn1.x509  
org.bouncycastle.asn1.x9  
org.bouncycastle.cert  
org.bouncycastle.cert.jcajce  
org.bouncycastle.cms  
org.bouncycastle.jcajce.provider.asymmetric.dh  
org.bouncycastle.jcajce.provider.asymmetric.dsa  
org.bouncycastle.jcajce.provider.asymmetric.ec  
org.bouncycastle.jcajce.provider.asymmetric.rsa  
org.bouncycastle.jcajce.provider.asymmetric.util  
org.bouncycastle.jcajce.provider.asymmetric.x509  
org.bouncycastle.jcajce.provider.keystore.bc  
org.bouncycastle.jcajce.provider.keystore.pkcs12  
org.bouncycastle.jce  
org.bouncycastle.jce.interfaces  
org.bouncycastle.jce.provider  
org.bouncycastle.util  
org.bouncycastle.util.io.pem  
org.bouncycastle.x509  
org.bouncycastle.x509.extension  
org.conscrypt  
org.json  
org.robovm.rt.bro  
org.xml.sax  
org.xml.sax.helpers  
org.xmlpull.v1  
  • Classes in java.util used by SQLite
    Class Description
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by SQLite.JDBC2z
    Class Description
    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.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
  • Classes in java.util used by com.squareup.okhttp
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by com.squareup.okhttp.internal
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by com.squareup.okhttp.internal.http
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by com.squareup.okhttp.internal.spdy
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by java.beans
    Class Description
    EventListener
    EventListener is the superclass of all event listener interfaces.
    EventListenerProxy
    This abstract class provides a simple wrapper for objects of type EventListener.
    EventObject
    EventObjects represent events.
  • Classes in java.util used by java.io
    Class Description
    Enumeration
    A legacy iteration interface.
    Locale
    Locale represents a language/country/variant combination.
  • Classes in java.util used by java.lang
    Class Description
    Comparator
    A Comparator is used to compare two objects to determine their ordering with respect to each other.
    Enumeration
    A legacy iteration interface.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    Locale
    Locale represents a language/country/variant combination.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
  • Classes in java.util used by java.lang.reflect
    Class Description
    Comparator
    A Comparator is used to compare two objects to determine their ordering with respect to each other.
  • Classes in java.util used by java.math
    Class Description
    Random
    This class provides methods that return pseudo-random values.
  • Classes in java.util used by java.net
    Class Description
    Enumeration
    A legacy iteration interface.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by java.nio.channels
    Class Description
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by java.nio.channels.spi
    Class Description
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by java.nio.charset
    Class Description
    Locale
    Locale represents a language/country/variant combination.
    Set
    A Set is a data structure which does not allow duplicate elements.
    SortedMap
    A map that has its keys ordered.
  • Classes in java.util used by java.nio.charset.spi
    Class Description
    Iterator
    An iterator over a sequence of objects, such as a collection.
  • Classes in java.util used by java.security
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
    Dictionary
    Note: Do not use this class since it is obsolete.
    Enumeration
    A legacy iteration interface.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Map.Entry
    Map.Entry is a key/value mapping contained in a Map.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Random
    This class provides methods that return pseudo-random values.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by java.security.acl
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by java.security.cert
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by java.sql
    Class Description
    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
    A specific moment in time, with millisecond precision.
    Enumeration
    A legacy iteration interface.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
  • Classes in java.util used by java.text
    Class Description
    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 Comparator is used to compare two objects to determine their ordering with respect to each other.
    Currency
    A currency corresponding to an ISO 4217 currency code such as "EUR" or "USD".
    Date
    A specific moment in time, with millisecond precision.
    Locale
    Locale represents a language/country/variant combination.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Set
    A Set is a data structure which does not allow duplicate elements.
    TimeZone
    TimeZone represents a time zone, primarily used for configuring a Calendar or SimpleDateFormat instance.
  • Classes in java.util used by java.text.spi
    Class Description
    Locale
    Locale represents a language/country/variant combination.
  • Classes in java.util used by java.util
    Class Description
    AbstractCollection
    Class AbstractCollection is an abstract implementation of the Collection interface.
    AbstractList
    AbstractList is an abstract implementation of the List interface, optimized for a backing store which supports random access.
    AbstractMap
    A base class for Map implementations.
    AbstractQueue
    This class provides skeletal implementations of some Queue operations.
    AbstractSequentialList
    AbstractSequentialList is an abstract implementation of the List interface.
    AbstractSet
    An AbstractSet is an abstract implementation of the Set interface.
    ArrayDeque
    Resizable-array implementation of the Deque interface.
    ArrayList
    ArrayList is an implementation of List, backed by an array.
    BitSet
    The BitSet class implements a bit array.
    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
    Collection is the root of the collection hierarchy.
    Comparator
    A Comparator is used to compare two objects to determine their ordering with respect to each other.
    Currency
    A currency corresponding to an ISO 4217 currency code such as "EUR" or "USD".
    Date
    A specific moment in time, with millisecond precision.
    Deque
    A linear collection that supports element insertion and removal at both ends.
    Dictionary
    Note: Do not use this class since it is obsolete.
    Enumeration
    A legacy iteration interface.
    EnumMap
    An Map specialized for use with Enum types as keys.
    EnumSet
    An EnumSet is a specialized Set to be used with enums as keys.
    EventListener
    EventListener is the superclass of all event listener interfaces.
    Formatter
    Formats arguments according to a format string (like printf in C).
    Formatter.BigDecimalLayoutForm
    The enumeration giving the available styles for formatting very large decimal numbers.
    HashMap
    HashMap is an implementation of Map.
    HashSet
    HashSet is an implementation of a Set.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    IllegalFormatException
    An IllegalFormatException is thrown when a format string that contains either an illegal syntax or format specifier is transferred as a parameter.
    InvalidPropertiesFormatException
    An InvalidPropertiesFormatException is thrown if loading the XML document defining the properties does not follow the Properties specification.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    ListIterator
    An ListIterator is used to sequence over a List of objects.
    Locale
    Locale represents a language/country/variant combination.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Map.Entry
    Map.Entry is a key/value mapping contained in a Map.
    MissingResourceException
    A MissingResourceException is thrown by ResourceBundle when a resource bundle cannot be found or a resource is missing from a resource bundle.
    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 when trying to retrieve an element past the end of an Enumeration or Iterator.
    Observable
    Observable is used to notify a group of Observer objects when a change occurs.
    Observer
    Observer is the interface to be implemented by objects that receive notification of updates on an Observable object.
    PriorityQueue
    A PriorityQueue holds elements on a priority heap, which orders the elements according to their natural order or according to the comparator specified at construction time.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Queue
    A collection designed for holding elements prior to processing.
    Random
    This class provides methods that return pseudo-random values.
    RandomAccess
    RandomAccess is implemented by List implementations that support fast (usually constant time) random access.
    ResourceBundle
    ResourceBundle is an abstract class which is the superclass of classes which provide Locale-specific resources.
    ResourceBundle.Control
    ResourceBundle.Control is a static utility class defines ResourceBundle load access methods, its default access order is as the same as before.
    Scanner
    A parser that parses a text string of primitive types and strings with the help of regular expressions.
    ServiceLoader
    A service-provider loader.
    Set
    A Set is a data structure which does not allow duplicate elements.
    SortedMap
    A map that has its keys ordered.
    SortedSet
    SortedSet is a Set which iterates over its elements in a sorted order.
    TimerTask
    The TimerTask class represents a task to run at a specified time.
    TimeZone
    TimeZone represents a time zone, primarily used for configuring a Calendar or SimpleDateFormat instance.
    UUID
    UUID is an immutable representation of a 128-bit universally unique identifier (UUID).
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by java.util.concurrent
    Class Description
    AbstractCollection
    Class AbstractCollection is an abstract implementation of the Collection interface.
    AbstractMap
    A base class for Map implementations.
    AbstractQueue
    This class provides skeletal implementations of some Queue operations.
    AbstractSet
    An AbstractSet is an abstract implementation of the Set interface.
    Collection
    Collection is the root of the collection hierarchy.
    Comparator
    A Comparator is used to compare two objects to determine their ordering with respect to each other.
    Deque
    A linear collection that supports element insertion and removal at both ends.
    Enumeration
    A legacy iteration interface.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    ListIterator
    An ListIterator is used to sequence over a List of objects.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Map.Entry
    Map.Entry is a key/value mapping contained in a Map.
    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.
    Random
    This class provides methods that return pseudo-random values.
    RandomAccess
    RandomAccess is implemented by List implementations that support fast (usually constant time) random access.
    Set
    A Set is a data structure which does not allow duplicate elements.
    SortedMap
    A map that has its keys ordered.
    SortedSet
    SortedSet is a Set which iterates over its elements in a sorted order.
  • Classes in java.util used by java.util.concurrent.locks
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
  • Classes in java.util used by java.util.jar
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Enumeration
    A legacy iteration interface.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Map.Entry
    Map.Entry is a key/value mapping contained in a Map.
    Set
    A Set is a data structure which does not allow duplicate elements.
    SortedMap
    A map that has its keys ordered.
  • Classes in java.util used by java.util.logging
    Class Description
    Enumeration
    A legacy iteration interface.
    List
    A List is a collection which maintains an ordering for its elements.
    ResourceBundle
    ResourceBundle is an abstract class which is the superclass of classes which provide Locale-specific resources.
  • Classes in java.util used by java.util.prefs
    Class Description
    EventListener
    EventListener is the superclass of all event listener interfaces.
    EventObject
    EventObjects represent events.
  • Classes in java.util used by java.util.spi
    Class Description
    Locale
    Locale represents a language/country/variant combination.
  • Classes in java.util used by java.util.zip
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by javax.net.ssl
    Class Description
    Enumeration
    A legacy iteration interface.
    EventListener
    EventListener is the superclass of all event listener interfaces.
    EventObject
    EventObjects represent events.
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by javax.security.auth
    Class Description
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by javax.security.auth.x500
    Class Description
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by javax.security.cert
    Class Description
    Date
    A specific moment in time, with millisecond precision.
  • Classes in java.util used by javax.sql
    Class Description
    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.
    EventListener
    EventListener is the superclass of all event listener interfaces.
    EventObject
    EventObjects represent events.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by javax.xml.datatype
    Class Description
    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
    A specific moment in time, with millisecond precision.
    GregorianCalendar
    GregorianCalendar is a concrete subclass of Calendar and provides the standard calendar used by most of the world.
    Locale
    Locale represents a language/country/variant combination.
    TimeZone
    TimeZone represents a time zone, primarily used for configuring a Calendar or SimpleDateFormat instance.
  • Classes in java.util used by javax.xml.namespace
    Class Description
    Iterator
    An iterator over a sequence of objects, such as a collection.
  • Classes in java.util used by javax.xml.transform
    Class Description
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
  • Classes in java.util used by javax.xml.xpath
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by libcore.icu
    Class Description
    Currency
    A currency corresponding to an ISO 4217 currency code such as "EUR" or "USD".
    Locale
    Locale represents a language/country/variant combination.
    TimeZone
    TimeZone represents a time zone, primarily used for configuring a Calendar or SimpleDateFormat instance.
  • Classes in java.util used by libcore.net.http
    Class Description
    Date
    A specific moment in time, with millisecond precision.
  • Classes in java.util used by libcore.util
    Class Description
    Comparator
    A Comparator is used to compare two objects to determine their ordering with respect to each other.
    Date
    A specific moment in time, with millisecond precision.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    TimeZone
    TimeZone represents a time zone, primarily used for configuring a Calendar or SimpleDateFormat instance.
  • Classes in java.util used by org.apache.commons.codec
    Class Description
    Comparator
    A Comparator is used to compare two objects to determine their ordering with respect to each other.
  • Classes in java.util used by org.apache.commons.codec.net
    Class Description
    BitSet
    The BitSet class implements a bit array.
  • Classes in java.util used by org.apache.commons.logging
    Class Description
    Hashtable
    Hashtable is a synchronized implementation of Map.
  • Classes in java.util used by org.apache.commons.logging.impl
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Dictionary
    Note: Do not use this class since it is obsolete.
    Enumeration
    A legacy iteration interface.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by org.apache.harmony.security
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.apache.harmony.security.asn1
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
  • Classes in java.util used by org.apache.harmony.security.fortress
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by org.apache.harmony.security.pkcs7
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by org.apache.harmony.security.pkcs8
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by org.apache.harmony.security.provider.cert
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
    Dictionary
    Note: Do not use this class since it is obsolete.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by org.apache.harmony.security.provider.crypto
    Class Description
    Dictionary
    Note: Do not use this class since it is obsolete.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
  • Classes in java.util used by org.apache.harmony.security.x501
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Comparator
    A Comparator is used to compare two objects to determine their ordering with respect to each other.
  • Classes in java.util used by org.apache.harmony.security.x509
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
    List
    A List is a collection which maintains an ordering for its elements.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by org.apache.harmony.security.x509.tsp
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by org.apache.http
    Class Description
    Iterator
    An iterator over a sequence of objects, such as a collection.
    Locale
    Locale represents a language/country/variant combination.
  • Classes in java.util used by org.apache.http.auth
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.apache.http.client
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.apache.http.client.entity
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by org.apache.http.client.methods
    Class Description
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by org.apache.http.client.params
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
  • Classes in java.util used by org.apache.http.client.protocol
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by org.apache.http.client.utils
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
    Scanner
    A parser that parses a text string of primitive types and strings with the help of regular expressions.
  • Classes in java.util used by org.apache.http.conn.params
    Class Description
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.apache.http.conn.scheme
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.apache.http.cookie
    Class Description
    Comparator
    A Comparator is used to compare two objects to determine their ordering with respect to each other.
    Date
    A specific moment in time, with millisecond precision.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.apache.http.cookie.params
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
  • Classes in java.util used by org.apache.http.impl
    Class Description
    Locale
    Locale represents a language/country/variant combination.
  • Classes in java.util used by org.apache.http.impl.auth
    Class Description
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.apache.http.impl.client
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.apache.http.impl.conn
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by org.apache.http.impl.conn.tsccm
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    LinkedList
    LinkedList is an implementation of List, backed by a doubly-linked list.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Queue
    A collection designed for holding elements prior to processing.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by org.apache.http.impl.cookie
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
    List
    A List is a collection which maintains an ordering for its elements.
    TimeZone
    TimeZone represents a time zone, primarily used for configuring a Calendar or SimpleDateFormat instance.
  • Classes in java.util used by org.apache.http.message
    Class Description
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    Locale
    Locale represents a language/country/variant combination.
    NoSuchElementException
    Thrown when trying to retrieve an element past the end of an Enumeration or Iterator.
  • Classes in java.util used by org.apache.http.protocol
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    TimeZone
    TimeZone represents a time zone, primarily used for configuring a Calendar or SimpleDateFormat instance.
  • Classes in java.util used by org.apache.http.util
    Class Description
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.apache.xalan.extensions
    Class Description
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xalan.processor
    Class Description
    HashMap
    HashMap is an implementation of Map.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xalan.res
    Class Description
    ListResourceBundle
    ListResourceBundle is the abstract superclass of classes which provide resources by implementing the getContents() method to return the list of resources.
    MissingResourceException
    A MissingResourceException is thrown by ResourceBundle when a resource bundle cannot be found or a resource is missing from a resource bundle.
    ResourceBundle
    ResourceBundle is an abstract class which is the superclass of classes which provide Locale-specific resources.
  • Classes in java.util used by org.apache.xalan.templates
    Class Description
    ArrayList
    ArrayList is an implementation of List, backed by an array.
    HashMap
    HashMap is an implementation of Map.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xalan.transformer
    Class Description
    Dictionary
    Note: Do not use this class since it is obsolete.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xalan.xslt
    Class Description
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xml.dtm.ref
    Class Description
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xml.dtm.ref.dom2dtm
    Class Description
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xml.dtm.ref.sax2dtm
    Class Description
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xml.res
    Class Description
    ListResourceBundle
    ListResourceBundle is the abstract superclass of classes which provide resources by implementing the getContents() method to return the list of resources.
    Locale
    Locale represents a language/country/variant combination.
    ResourceBundle
    ResourceBundle is an abstract class which is the superclass of classes which provide Locale-specific resources.
  • Classes in java.util used by org.apache.xml.serializer
    Class Description
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xml.serializer.dom3
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.apache.xml.serializer.utils
    Class Description
    ListResourceBundle
    ListResourceBundle is the abstract superclass of classes which provide resources by implementing the getContents() method to return the list of resources.
    ResourceBundle
    ResourceBundle is an abstract class which is the superclass of classes which provide Locale-specific resources.
  • Classes in java.util used by org.apache.xml.utils
    Class Description
    Enumeration
    A legacy iteration interface.
    Locale
    Locale represents a language/country/variant combination.
    Stack
    Stack is a Last-In/First-Out(LIFO) data structure which represents a stack of objects.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xml.utils.res
    Class Description
    ListResourceBundle
    ListResourceBundle is the abstract superclass of classes which provide resources by implementing the getContents() method to return the list of resources.
    Locale
    Locale represents a language/country/variant combination.
    MissingResourceException
    A MissingResourceException is thrown by ResourceBundle when a resource bundle cannot be found or a resource is missing from a resource bundle.
    ResourceBundle
    ResourceBundle is an abstract class which is the superclass of classes which provide Locale-specific resources.
  • Classes in java.util used by org.apache.xpath
    Class Description
    Stack
    Stack is a Last-In/First-Out(LIFO) data structure which represents a stack of objects.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xpath.axes
    Class Description
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xpath.functions
    Class Description
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xpath.jaxp
    Class Description
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xpath.objects
    Class Description
    Locale
    Locale represents a language/country/variant combination.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xpath.operations
    Class Description
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xpath.patterns
    Class Description
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.apache.xpath.res
    Class Description
    ListResourceBundle
    ListResourceBundle is the abstract superclass of classes which provide resources by implementing the getContents() method to return the list of resources.
    MissingResourceException
    A MissingResourceException is thrown by ResourceBundle when a resource bundle cannot be found or a resource is missing from a resource bundle.
    ResourceBundle
    ResourceBundle is an abstract class which is the superclass of classes which provide Locale-specific resources.
  • Classes in java.util used by org.bouncycastle.asn1
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    Enumeration
    A legacy iteration interface.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.bouncycastle.asn1.cms
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    Hashtable
    Hashtable is a synchronized implementation of Map.
  • Classes in java.util used by org.bouncycastle.asn1.nist
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.asn1.sec
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.asn1.x500.style
    Class Description
    Hashtable
    Hashtable is a synchronized implementation of Map.
  • Classes in java.util used by org.bouncycastle.asn1.x509
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    Enumeration
    A legacy iteration interface.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.bouncycastle.asn1.x9
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.cert
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
    List
    A List is a collection which maintains an ordering for its elements.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by org.bouncycastle.cert.jcajce
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
  • Classes in java.util used by org.bouncycastle.cms
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.bouncycastle.jcajce.provider.asymmetric.dh
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.jcajce.provider.asymmetric.dsa
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.jcajce.provider.asymmetric.ec
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.jcajce.provider.asymmetric.rsa
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.jcajce.provider.asymmetric.util
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.jcajce.provider.asymmetric.x509
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by org.bouncycastle.jcajce.provider.keystore.bc
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    Enumeration
    A legacy iteration interface.
    Hashtable
    Hashtable is a synchronized implementation of Map.
  • Classes in java.util used by org.bouncycastle.jcajce.provider.keystore.pkcs12
    Class Description
    Date
    A specific moment in time, with millisecond precision.
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.jce
    Class Description
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.bouncycastle.jce.interfaces
    Class Description
    Enumeration
    A legacy iteration interface.
  • Classes in java.util used by org.bouncycastle.jce.provider
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
    Dictionary
    Note: Do not use this class since it is obsolete.
    Enumeration
    A legacy iteration interface.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by org.bouncycastle.util
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
  • Classes in java.util used by org.bouncycastle.util.io.pem
    Class Description
    List
    A List is a collection which maintains an ordering for its elements.
  • Classes in java.util used by org.bouncycastle.x509
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by org.bouncycastle.x509.extension
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
  • Classes in java.util used by org.conscrypt
    Class Description
    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
    Collection is the root of the collection hierarchy.
    Date
    A specific moment in time, with millisecond precision.
    Dictionary
    Note: Do not use this class since it is obsolete.
    Enumeration
    A legacy iteration interface.
    Hashtable
    Hashtable is a synchronized implementation of Map.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
    Properties
    A Properties object is a Hashtable where the keys and values must be Strings.
    Set
    A Set is a data structure which does not allow duplicate elements.
    Vector
    Vector is an implementation of List, backed by an array and synchronized.
  • Classes in java.util used by org.json
    Class Description
    Collection
    Collection is the root of the collection hierarchy.
    Iterator
    An iterator over a sequence of objects, such as a collection.
    Map
    A Map is a data structure consisting of a set of keys and values in which each key is mapped to a single value.
  • Classes in java.util used by org.robovm.rt.bro
    Class Description
    Iterator
    An iterator over a sequence of objects, such as a collection.
    List
    A List is a collection which maintains an ordering for its elements.
    Set
    A Set is a data structure which does not allow duplicate elements.
  • Classes in java.util used by org.xml.sax
    Class Description
    Locale
    Locale represents a language/country/variant combination.
  • Classes in java.util used by org.xml.sax.helpers
    Class Description
    Enumeration
    A legacy iteration interface.
    Locale
    Locale represents a language/country/variant combination.
  • Classes in java.util used by org.xmlpull.v1
    Class Description
    ArrayList
    ArrayList is an implementation of List, backed by an array.
    HashMap
    HashMap is an implementation of Map.