International Components for Unicode for Java (icu4j) 74.2 · com.ibm.icu.impl

Modifier and Type	Interface and Description
public interface	ICUCache<K, V>
public interface	UCharacterNameChoice Internal class containing selector constants for the unicode character names.

Class Summary

Modifier and Type	Class and Description
public class	Assert
public class	BMPSet Helper class for frozen UnicodeSets, implements contains() and span() optimized for BMP code points.
public abstract class	CacheBase< Cache lookup key type K, Cache instance value type V, Data type for creating a new instance value D> Base class for cache implementations.
public abstract class	CacheValue< Cache instance value type V> Value type for cache items: Holds a value either via a direct reference or via a `Reference`, depending on the current "strength" when `getInstance()` was called.
public class	CalendarAstronomer `CalendarAstronomer` is a class that can perform the calculations to determine the positions of the sun and moon, the time of sunrise and sunset, and other astronomy-related data.
public class	CalendarCache
public class	CalendarUtil Calendar utilities.
public class	CaseMapImpl
public class	CharacterIteration
public class	CharacterIteratorWrapper This class is a wrapper around CharacterIterator and implements the UCharacterIterator protocol
public class	CharacterPropertiesImpl Properties functionality above class UCharacterProperty but below class CharacterProperties and class UnicodeSet.
public class	CharTrie Trie implementation which stores data in char, 16 bits.
public class	ClassLoaderUtil This utility class is used for resolving a right ClassLoader from a given class.
public class	CollectionSet<E> A wrapper around java.util.Collection that implements java.util.Set.
public class	CSCharacterIterator Implement the Java CharacterIterator interface on a CharSequence.
public class	CurrencyData
public class	DateNumberFormat
public class	DayPeriodRules
public class	DontCareFieldPosition DontCareFieldPosition is a subclass of FieldPosition that indicates that the caller is not interested in the start and end position of any field.
public class	EmojiProps
public class	EraRules `EraRules` represents calendar era rules specified in supplementalData/calendarData.
public class	FormattedStringBuilder A StringBuilder optimized for formatting.
public class	FormattedValueFieldPositionIteratorImpl Implementation of FormattedValue based on FieldPositionIterator.
public class	FormattedValueStringBuilderImpl Implementation of FormattedValue based on FormattedStringBuilder.
public class	Grego A utility class providing proleptic Gregorian calendar functions used by time zone and calendar code.
public class	ICUBinary
public class	ICUConfig ICUConfig is a class used for accessing ICU4J runtime configuration.
public class	ICUCurrencyDisplayInfoProvider
public class	ICUCurrencyMetaInfo ICU's currency meta info data.
public class	ICUData Provides access to ICU data files as InputStreams.
public class	ICUDataVersion
public class	ICUDebug
public class	ICULangDataTables
public class	ICULocaleService
public abstract class	ICUNotifier Abstract implementation of a notification facility.
public class	ICURegionDataTables
public class	ICUResourceBundle
pack-priv class	ICUResourceBundleImpl
public class	ICUResourceBundleReader This class reads the *.res resource bundle format.
public class	ICUResourceTableAccess Static utility functions for probing resource tables, used by ULocale and LocaleDisplayNames.
public class	ICURWLock A Reader/Writer lock originally written for ICU service implementation.
public class	ICUService A Service provides access to service objects that implement a particular service, e.g. transliterators.
public class	IDNA2003 IDNA2003 implementation code, moved out of com.ibm.icu.text.IDNA.java while extending that class to support IDNA2008/UTS #46 as well.
public class	IllegalIcuArgumentException
public class	IntTrie Trie implementation which stores data in int, 32 bits.
public class	IntTrieBuilder Builder class to manipulate and generate a trie.
public class	InvalidFormatException
public class	IterableComparator<T> Todo Move to com.ibm.icu.dev.somewhere.
public class	JavaTimeZone JavaTimeZone inherits com.ibm.icu.util.TimeZone and wraps java.util.TimeZone.
public class	LocaleDisplayNamesImpl
pack-priv class	LocaleFallbackData
public class	LocaleIDParser Utility class to parse and normalize locale ids (including POSIX style)
public class	LocaleIDs Utilities for mapping between old and new language, country, and other locale ID related names.
public class	LocaleUtility A class to hold utility functions missing from java.util.Locale.
public class	Norm2AllModes
public class	Normalizer2Impl Low-level implementation of the Unicode Normalization Algorithm.
public class	OlsonTimeZone A time zone based on the Olson tz database.
public class	Pair< first object type F, second object type S> A pair of objects: first and second.
public class	PatternProps Implements the immutable Unicode properties Pattern_Syntax and Pattern_White_Space.
public class	PatternTokenizer A simple parsing class for patterns and rules.
public class	PluralRulesLoader Deprecated as a consequence of `PluralRules.Factory` being deprecated. Loader for plural rules data.
public class	PropsVectors Unicode Properties Vectors associated with code point ranges.
public class	Punycode Ported code from ICU punycode.c
public class	PVecToTrieCompactHandler
public class	RBBIDataWrapper Internal class used for Rule Based Break Iterators.
public class	Relation<K, V> A Relation is a set of mappings from keys to values.
public class	RelativeDateFormat
public class	ReplaceableUCharacterIterator DLF docs must define behavior when Replaceable is mutated underneath the iterator.
public class	ResourceBundleWrapper just a wrapper for Java ListResourceBundles and
public class	Row<C0, C1, C2, C3, C4>
public class	RuleCharacterIterator An iterator that returns 32-bit code points.
public class	SimpleCache<K, V>
public class	SimpleFilteredSentenceBreakIterator
public class	SimpleFormatterImpl Formats simple patterns like "{1} was born in {0}".
public abstract class	SoftCache< Cache lookup key type K, Cache instance value type (must not be a CacheValue) V, Data type for creating a new instance value D> Generic, thread-safe cache implementation, usually storing cached instances in `java.lang.ref.Reference`s via `CacheValue`s.
public class	SortedSetRelation Computationally efficient determination of the relationship between two SortedSets.
public class	StaticUnicodeSets This class statically initializes UnicodeSets, originally built for number parsing.
public class	StringPrepDataReader
public class	StringRange
public class	StringSegment A mutable String wrapper with a variable offset and length and support for case folding.
public class	TextTrieMap<V> TextTrieMap is a trie implementation for supporting fast prefix match for the key.
public class	TimeZoneAdapter `TimeZoneAdapter` wraps a com.ibm.icu.util.TimeZone subclass and inherits from java.util.TimeZone.
public class	TimeZoneGenericNames This class interact with TimeZoneNames and LocaleDisplayNames to format and parse time zone's generic display names.
public class	TimeZoneNamesFactoryImpl Deprecated as a consequence of `TimeZoneNames.Factory` being deprecated. The implementation class of `TimeZoneNames.Factory`
public class	TimeZoneNamesImpl The standard ICU implementation of TimeZoneNames
public abstract class	Trie A trie is a kind of compressed, serializable table of values associated with Unicode code points (0..0x10ffff).
public abstract class	Trie2 This is the interface and common implementation of a Unicode Trie2.
public class	Trie2_16
public class	Trie2_32
public class	Trie2Writable
public class	TrieBuilder Builder class to manipulate and generate a trie.
public class	TrieIterator Class enabling iteration of the values in a Trie.
public class	TZDBTimeZoneNames Yet another TimeZoneNames implementation based on the tz database.
public class	UBiDiProps
public class	UCaseProps
public class	UCharacterIteratorWrapper This class is a wrapper around UCharacterIterator and implements the CharacterIterator protocol
public class	UCharacterName Internal class to manage character names.
pack-priv class	UCharacterNameReader Internal reader class for ICU data file uname.dat containing Unicode codepoint name data.
public class	UCharacterProperty Internal class used for Unicode character property database.
public class	UCharacterUtility Internal character utility class for simple data type conversion and String parsing functions.
public class	UCharArrayIterator
public class	UnicodeRegex Contains utilities to supplement the JDK Regex, since it doesn't handle Unicode well.
public class	UnicodeSetStringSpan
public class	UPropertyAliases Wrapper for the pnames.icu binary data file.
public class	UResource ICU resource bundle key and value types.
public abstract class	URLHandler
public class	USerializedSet Simple class for handling serialized USet/UnicodeSet structures without object creation.
public class	Utility
public class	UtilityExtensions
public class	UTS46 UTS #46 (IDNA2008) implementation.
public class	ValidIdentifiers
public class	ZoneMeta This class, not to be instantiated, implements the meta-data missing from the underlying core JDK implementation of time zones.

Modifier and Type	Enum and Description
public enum	CalType Calendar type enum, moved from com.ibm.icu.util.Calendar.
public enum	StandardPlural Standard CLDR plural form/category constants.

Package com.ibm.icu.impl

Interface Summary

Class Summary

Enum Summary