Uses of Package
com.ibm.icu.util

Packages that use com.ibm.icu.util

Package	Description
com.ibm.icu.lang	Enhanced character property and surrogate support.
com.ibm.icu.number	Library for localized number formatting introduced in ICU 60; for usage, see com.ibm.icu.number.NumberFormatter.
com.ibm.icu.text	Extensions and enhancements to java.text to support unicode transforms, UnicodeSet, surrogate char utilities, UCA collation, normalization, break iteration (rule and dictionary based), enhanced number format, international string searching, and arabic shaping.
com.ibm.icu.util	International calendars and other utility classes.

Classes in com.ibm.icu.util used by com.ibm.icu.lang

Class and Description
CodePointMap Abstract map from Unicode code points (U+0000..U+10FFFF) to integer values.
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.
ULocale [icu enhancement] ICU's replacement for java.util.Locale.
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.
VersionInfo Class to store version numbers of the form major.minor.milli.micro.

Classes in com.ibm.icu.util used by com.ibm.icu.number

Class and Description
Currency A class encapsulating a currency, as defined by ISO 4217.
Currency.CurrencyUsage Currency Usage used for Decimal Format
Measure An amount of a specified unit, consisting of a Number and a Unit.
MeasureUnit A unit such as length, mass, volume, currency, etc.
ULocale [icu enhancement] ICU's replacement for java.util.Locale.

Classes in com.ibm.icu.util used by com.ibm.icu.text

Class and Description
ByteArrayWrapper A simple utility class to wrap a byte array.
Calendar [icu enhancement] ICU's replacement for java.util.Calendar.
Calendar.FormatConfiguration Deprecated. This API is ICU internal only.
Currency A class encapsulating a currency, as defined by ISO 4217.
Currency.CurrencyUsage Currency Usage used for Decimal Format
CurrencyAmount An amount of currency, consisting of a Number and a Currency.
DateInterval This class represents date interval.
Freezable Provides a flexible mechanism for controlling access, without requiring that a class be immutable.
Measure An amount of a specified unit, consisting of a Number and a Unit.
MeasureUnit A unit such as length, mass, volume, currency, etc.
Output Simple struct-like class for output parameters.
OutputInt Deprecated. This API is ICU internal only.
TimeUnitAmount Express a duration as a time unit and number.
TimeZone [icu enhancement] ICU's replacement for java.util.TimeZone.
ULocale [icu enhancement] ICU's replacement for java.util.Locale.
ULocale.Type Opaque selector enum for getLocale().
VersionInfo Class to store version numbers of the form major.minor.milli.micro.

Classes in com.ibm.icu.util used by com.ibm.icu.util

Class and Description
BasicTimeZone [icu] BasicTimeZone extends TimeZone with additional methods to access time zone transitions and rules.
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.
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.Result Return values for BytesTrie.next(), CharsTrie.next() and similar methods.
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.
Calendar.WeekData Simple, immutable struct-like class for access to the CLDR week data.
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.
CodePointMap.RangeOption Selectors for how getRange() should report value ranges overlapping with surrogates.
CodePointMap.StringIterator Iterates over code points of a string and fetches map values.
CodePointMap.ValueFilter Callback function interface: Modifies a map value.
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.
CodePointTrie.Type Selectors for the type of a CodePointTrie.
CodePointTrie.ValueWidth Selectors for the number of bits in a CodePointTrie data value.
Currency A class encapsulating a currency, as defined by ISO 4217.
Currency.CurrencyStringInfo Deprecated. This API is ICU internal only.
Currency.CurrencyUsage Currency Usage used for Decimal Format
DateRule Note: The Holiday framework is a technology preview.
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.
Freezable Provides a flexible mechanism for controlling access, without requiring that a class be immutable.
GenderInfo Deprecated. This API is ICU internal only.
GenderInfo.Gender Deprecated. This API is ICU internal only.
GenderInfo.ListGenderStyle 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.
HebrewHoliday Note: The Holiday framework is a technology preview.
Holiday Note: The Holiday framework is a technology preview.
ICUException Base class for unchecked, ICU-specific exceptions.
InitialTimeZoneRule InitialTimeZoneRule represents a time zone rule representing a time zone effective from the beginning and has no actual start times.
IslamicCalendar.CalculationType enumeration of available calendar calculation types
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.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.
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.
MeasureUnit.Complexity Enumeration for unit complexity.
MeasureUnit.Factory Deprecated. This API is ICU internal only.
MeasureUnit.MeasurePrefix Enumeration for SI and binary prefixes, e.g.
MutableCodePointTrie Mutable Unicode code point trie.
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.
Region.RegionType RegionType is an enumeration defining the different types of regions.
SimpleHoliday Note: The Holiday framework is a technology preview.
StringTrieBuilder Base class for string trie builder classes.
StringTrieBuilder.Option Build options for BytesTrieBuilder and CharsTrieBuilder.
TimeUnit Measurement unit for time units.
TimeZone [icu enhancement] ICU's replacement for java.util.TimeZone.
TimeZone.SystemTimeZoneType [icu] System time zone type constants used by filtering zones in TimeZone.getAvailableIDs(SystemTimeZoneType, String, Integer)
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.
ULocale.AvailableType Types for ULocale.getAvailableLocalesByType(com.ibm.icu.util.ULocale.AvailableType)
ULocale.Builder Builder is used to build instances of ULocale from values configured by the setters.
ULocale.Category Enum for locale categories.
ULocale.Minimize Deprecated. This API is ICU internal only.
ULocale.RegionValidateMap Deprecated. This API is ICU internal only.
ULocale.Type Opaque selector enum for getLocale().
UResourceBundle [icu enhancement] ICU's replacement for java.util.ResourceBundle.
UResourceBundleIterator Class for enabling iteration over UResourceBundle objects.
UResourceTypeMismatchException Exception thrown when the requested resource type is not the same type as the available resource
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.