Package com.ibm.icu.util

International calendars and other utility classes.

Interface Summary

Interface	Description
CodePointMap.ValueFilter	Callback function interface: Modifies a map value.
DateRule	Note: The Holiday framework is a technology preview.
Freezable<T>	Provides a flexible mechanism for controlling access, without requiring that a class be immutable.
MeasureUnit.Factory	Deprecated. This API is ICU internal only.
RangeValueIterator	Interface for enabling iteration over sets of <int index, int value>, where index is the sorted integer index in ascending order and value, its associated integer value.
ValueIterator	Interface for enabling iteration over sets of <int, Object>, where int is the sorted integer index in ascending order, and Object its associated value.

Class Summary

Class	Description
AnnualTimeZoneRule	AnnualTimeZoneRule is a class used for representing a time zone rule which takes effect annually.
BasicTimeZone	[icu] BasicTimeZone extends TimeZone with additional methods to access time zone transitions and rules.
BuddhistCalendar	BuddhistCalendar is a subclass of GregorianCalendar that numbers years since the birth of the Buddha.
ByteArrayWrapper	A simple utility class to wrap a byte array.
BytesTrie	Light-weight, non-const reader class for a BytesTrie.
BytesTrie.Entry	Return value type for the Iterator.
BytesTrie.Iterator	Iterator for all of the (byte sequence, value) pairs in a BytesTrie.
BytesTrie.State	BytesTrie state object, for saving a trie's current state and resetting the trie back to this state later.
BytesTrieBuilder	Builder class for BytesTrie.
Calendar	[icu enhancement] ICU's replacement for java.util.Calendar. Methods, fields, and other functionality specific to ICU are labeled '[icu]'.
Calendar.FormatConfiguration	Deprecated. This API is ICU internal only.
Calendar.WeekData	Simple, immutable struct-like class for access to the CLDR week data.
CaseInsensitiveString	A string used as a key in java.util.Hashtable and other collections.
CharsTrie	Light-weight, non-const reader class for a CharsTrie.
CharsTrie.Entry	Return value type for the Iterator.
CharsTrie.Iterator	Iterator for all of the (string, value) pairs in a CharsTrie.
CharsTrie.State	CharsTrie state object, for saving a trie's current state and resetting the trie back to this state later.
CharsTrieBuilder	Builder class for CharsTrie.
ChineseCalendar	ChineseCalendar is a concrete subclass of Calendar that implements a traditional Chinese calendar.
CodePointMap	Abstract map from Unicode code points (U+0000..U+10FFFF) to integer values.
CodePointMap.Range	Range iteration result data.
CodePointTrie	Immutable Unicode code point trie.
CodePointTrie.Fast	A CodePointTrie with CodePointTrie.Type.FAST.
CodePointTrie.Fast16	A CodePointTrie with CodePointTrie.Type.FAST and CodePointTrie.ValueWidth.BITS_16.
CodePointTrie.Fast32	A CodePointTrie with CodePointTrie.Type.FAST and CodePointTrie.ValueWidth.BITS_32.
CodePointTrie.Fast8	A CodePointTrie with CodePointTrie.Type.FAST and CodePointTrie.ValueWidth.BITS_8.
CodePointTrie.Small	A CodePointTrie with CodePointTrie.Type.SMALL.
CodePointTrie.Small16	A CodePointTrie with CodePointTrie.Type.SMALL and CodePointTrie.ValueWidth.BITS_16.
CodePointTrie.Small32	A CodePointTrie with CodePointTrie.Type.SMALL and CodePointTrie.ValueWidth.BITS_32.
CodePointTrie.Small8	A CodePointTrie with CodePointTrie.Type.SMALL and CodePointTrie.ValueWidth.BITS_8.
CompactByteArray	Deprecated. This API is ICU internal only.
CompactCharArray	Deprecated. This API is ICU internal only.
CopticCalendar	Implement the Coptic calendar system.
Currency	A class encapsulating a currency, as defined by ISO 4217.
Currency.CurrencyStringInfo	Deprecated. This API is ICU internal only.
CurrencyAmount	An amount of currency, consisting of a Number and a Currency.
DangiCalendar	Deprecated. This API is ICU internal only.
DateInterval	This class represents date interval.
DateTimeRule	DateTimeRule is a class representing a time in a year by a rule specified by month, day of month, day of week and time in the day.
EasterHoliday	Note: The Holiday framework is a technology preview.
EthiopicCalendar	Implement the Ethiopic calendar system.
GenderInfo	Deprecated. This API is ICU internal only.
GlobalizationPreferences	This convenience class provides a mechanism for bundling together different globalization preferences.
GregorianCalendar	[icu enhancement] ICU's replacement for java.util.GregorianCalendar. Methods, fields, and other functionality specific to ICU are labeled '[icu]'.
HebrewCalendar	HebrewCalendar is a subclass of Calendar that that implements the traditional Hebrew calendar.
HebrewHoliday	Note: The Holiday framework is a technology preview.
Holiday	Note: The Holiday framework is a technology preview.
IndianCalendar	IndianCalendar is a subclass of GregorianCalendar that numbers years since the birth of the Buddha.
InitialTimeZoneRule	InitialTimeZoneRule represents a time zone rule representing a time zone effective from the beginning and has no actual start times.
IslamicCalendar	IslamicCalendar is a subclass of Calendar that that implements the Islamic civil and religious calendars.
JapaneseCalendar	JapaneseCalendar is a subclass of GregorianCalendar that numbers years and eras based on the reigns of the Japanese emperors.
LocaleData	A class for accessing miscellaneous data in the locale bundles
LocaleData.MeasurementSystem	Enumeration for representing the measurement systems.
LocaleData.PaperSize	A class that represents the size of letter head used in the country
LocaleMatcher	Immutable class that picks the best match between a user's desired locales and an application's supported locales.
LocaleMatcher.Builder	LocaleMatcher Builder.
LocaleMatcher.Result	Data for the best-matching pair of a desired and a supported locale.
LocalePriorityList	Provides an immutable list of languages/locales in priority order.
LocalePriorityList.Builder	Class used for building LocalePriorityLists.
Measure	An amount of a specified unit, consisting of a Number and a Unit.
MeasureUnit	A unit such as length, mass, volume, currency, etc.
MutableCodePointTrie	Mutable Unicode code point trie.
NoUnit	Dimensionless unit for percent and permille.
Output<T>	Simple struct-like class for output parameters.
OutputInt	Deprecated. This API is ICU internal only.
PersianCalendar	Deprecated. This API is ICU internal only.
RangeDateRule	Note: The Holiday framework is a technology preview.
RangeValueIterator.Element	Return result wrapper for com.ibm.icu.util.RangeValueIterator.
Region	Region is the class representing a Unicode Region Code, also known as a Unicode Region Subtag, which is defined based upon the BCP 47 standard.
RuleBasedTimeZone	RuleBasedTimeZone is a concrete subclass of TimeZone that allows users to define custom historic time transition rules.
SimpleDateRule	Note: The Holiday framework is a technology preview.
SimpleHoliday	Note: The Holiday framework is a technology preview.
SimpleTimeZone	[icu enhancement] ICU's replacement for java.util.SimpleTimeZone. Methods, fields, and other functionality specific to ICU are labeled '[icu]'.
StringTokenizer	[icu enhancement] ICU's replacement for java.util.Calendar. Methods, fields, and other functionality specific to ICU are labeled '[icu]'.
StringTrieBuilder	Base class for string trie builder classes.
TaiwanCalendar	TaiwanCalendar is a subclass of GregorianCalendar that numbers years since 1912.
TimeArrayTimeZoneRule	TimeArrayTimeZoneRule represents a time zone rule whose start times are defined by an array of milliseconds since the standard base time.
TimeUnit	Measurement unit for time units.
TimeUnitAmount	Express a duration as a time unit and number.
TimeZone	[icu enhancement] ICU's replacement for java.util.TimeZone. Methods, fields, and other functionality specific to ICU are labeled '[icu]'.
TimeZoneRule	TimeZoneRule is an abstract class representing a rule for time zone.
TimeZoneTransition	TimeZoneTransition is a class representing a time zone transition.
ULocale	[icu enhancement] ICU's replacement for java.util.Locale. Methods, fields, and other functionality specific to ICU are labeled '[icu]'. A class analogous to Locale that provides additional support for ICU protocol.
ULocale.Builder	Builder is used to build instances of ULocale from values configured by the setters.
ULocale.RegionValidateMap	Deprecated. This API is ICU internal only.
ULocale.Type	Opaque selector enum for getLocale().
UniversalTimeScale	There are quite a few different conventions for binary datetime, depending on different platforms and protocols.
UResourceBundle	[icu enhancement] ICU's replacement for java.util.ResourceBundle. Methods, fields, and other functionality specific to ICU are labeled '[icu]'.
UResourceBundleIterator	Class for enabling iteration over UResourceBundle objects.
ValueIterator.Element	The return result container of each iteration.
VersionInfo	Class to store version numbers of the form major.minor.milli.micro.
VTimeZone	VTimeZone is a class implementing RFC2445 VTIMEZONE.

Enum Summary

Enum	Description
BasicTimeZone.LocalOption	[icu] Options used by BasicTimeZone.getOffsetFromLocal(long, LocalOption, LocalOption, int[]) to specify how to interpret an input time when it does not exist, or when it is ambiguous, around a time zone transition.
BytesTrie.Result	Return values for BytesTrie.next(), CharsTrie.next() and similar methods.
CodePointMap.RangeOption	Selectors for how getRange() should report value ranges overlapping with surrogates.
CodePointTrie.Type	Selectors for the type of a CodePointTrie.
CodePointTrie.ValueWidth	Selectors for the number of bits in a CodePointTrie data value.
Currency.CurrencyUsage	Currency Usage used for Decimal Format
GenderInfo.Gender	Deprecated. This API is ICU internal only.
GenderInfo.ListGenderStyle	Deprecated. This API is ICU internal only.
IslamicCalendar.CalculationType	enumeration of available calendar calculation types
LocaleMatcher.Demotion	Builder option for whether all desired locales are treated equally or earlier ones are preferred.
LocaleMatcher.Direction	Builder option for whether to include or ignore one-way (fallback) match data.
LocaleMatcher.FavorSubtag	Builder option for whether the language subtag or the script subtag is most important.
MeasureUnit.Complexity	Enumeration for unit complexity.
MeasureUnit.MeasurePrefix	Enumeration for SI and binary prefixes, e.g.
Region.RegionType	RegionType is an enumeration defining the different types of regions.
StringTrieBuilder.Option	Build options for BytesTrieBuilder and CharsTrieBuilder.
TimeZone.SystemTimeZoneType	[icu] System time zone type constants used by filtering zones in TimeZone.getAvailableIDs(SystemTimeZoneType, String, Integer)
ULocale.AvailableType	Types for ULocale.getAvailableLocalesByType(com.ibm.icu.util.ULocale.AvailableType)
ULocale.Category	Enum for locale categories.
ULocale.Minimize	Deprecated. This API is ICU internal only.

Exception Summary

Exception	Description
ICUCloneNotSupportedException	Unchecked version of CloneNotSupportedException.
ICUException	Base class for unchecked, ICU-specific exceptions.
ICUInputTooLongException	The input is impractically long for an operation.
ICUUncheckedIOException	Unchecked version of IOException.
IllformedLocaleException	Thrown by methods in ULocale and ULocale.Builder to indicate that an argument is not a well-formed BCP 47 tag.
UResourceTypeMismatchException	Exception thrown when the requested resource type is not the same type as the available resource