| Functions |
ICU4C 4.0 or later
|
ICU4J 4.0 or later
|
JDK 6 |
| |
| Character |
|
| Properties |
comparison details |
| UnicodeSet |
unicode/uniset.h |
com.ibm.icu.text.UnicodeSet |
not available |
| |
| Strings |
|
| UTF16 manipulation |
unicode/ustring.h
unicode/unistr.h
unicode/utf.h
unicode/utf16.h |
com.ibm.icu.lang.Character
com.ibm.icu.text.UTF16 |
java.lang.String
java.lang.Character
(Since Java 5) |
| Code point order comparison |
not available |
| Code unit order comparison |
java.lang.String |
| Unicode Character Iterator |
unicode/chariter.h
unicode/uiter.h |
com.ibm.icu.text.UCharacterIterator |
java.text.CharacterIterator |
| |
| Converter |
|
| Conversion
Data |
Mapping tables
Default build: Converter
Explorer |
icu4j-charsets-version.jar
Same data as icu4c. |
Supported encodings |
| Unicode
Compression |
|
| SCSU |
unicode/ucnv.h |
com.ibm.icu.text.SCSU |
not available |
| BOCU-1 |
unicode/ucnv.h |
not available |
not available |
| Charset
Detection |
unicode/csdetect.h |
com.ibm.icu.text.CharsetDetector |
not available |
| |
| Locale |
|
| Locale data |
Locale data
Uses CLDR 1.5.0.1. |
Locale data
Supports the same locale
data as in ICU4C. |
Supported locales
Uses some CLDR data. |
| Resource
Management |
|
| String and string array storage and retrieval |
unicode/ures.h |
com.ibm.icu.util.UResourceBundle |
java.util.ResourceBundle |
| Binary storage and retrieval |
unicode/ures.h |
com.ibm.icu.util.UResourceBundle |
none that are locale sensitive |
| Object and object array storage and retrieval |
not available |
use Java |
java.util.ResourceBundle |
| |
| Date/Time
Services |
|
Calendar
| Extensible calendar base class |
unicode/calendar.h |
com.ibm.icu.util.Calendar |
java.util.Calendar |
|
unicode/calendar.h
use locale with option:
|
com.ibm.icu.util.Calendar
use locale with option:
or use class:
|
|
| Gregorian |
"@calendar=gregorian" |
"@calendar=gregorian"
com.ibm.icu.util.GregorianCalendar |
java.util.GregorianCalendar |
| Chinese |
"@calendar=chinese" |
"@calendar=chinese"
com.ibm.icu.util.ChineseCalendar |
not available |
| Coptic |
"@calendar=coptic" |
"@calendar=coptic"
com.ibm.icu.util.CopticCalendar |
not available |
| Ethiopic |
"@calendar=ethiopic" |
"@calendar=ethiopic"
com.ibm.icu.util.EthiopicCalendar |
not available |
| Hebrew |
"@calendar=hebrew" |
"@calendar=hebrew"
com.ibm.icu.util.HebrewCalendar |
not available |
| Indian |
"@calendar=indian" |
"@calendar=indian"
com.ibm.icu.util.IndianCalendar |
not available |
| Hijri/Islamic (civil) |
"@calendar=islamic-civil" |
"@calendar=islamic-civil"
com.ibm.icu.util.IslamicCalendar |
not available |
| Hijri/Islamic (religious / astronomical) |
"@calendar=islamic" |
"@calendar=islamic"
com.ibm.icu.util.IslamicCalendar |
not available |
| Japanese |
"@calendar=japanese" |
"@calendar=japanese"
com.ibm.icu.util.JapaneseCalendar |
use locale: ja_JP_JP |
| Persian |
"@calendar=persian" |
not available |
not available |
| Taiwan |
"@calendar=taiwan" |
"@calendar=taiwan"
com.ibm.icu.util.TaiwanCalendar |
not available |
| Thai Buddhist |
"@calendar=buddhist" |
"@calendar=buddhist"
com.ibm.icu.util.BuddhistCalendar |
use locale: th_TH (any variant) |
|
| Time Zone |
unicode/timezone.h |
com.ibm.icu.util.TimeZone |
java.util.TimeZone |
| Time Zone rule based retrieval / comparison |
unicode/basictz.h
unicode/rbtz.h
|
com.ibm.icu.util.BasicTimeZone
com.ibm.icu.util.RuleBasedTimeZone |
not available |
| |
| Format &
Parse |
|
| Extensible format base class |
unicode/format.h |
use Java |
java.text.Format |
| Date / time |
unicode/datefmt.h |
com.ibm.icu.text.DateFormat |
java.text.DateFormat |
| Date / time, relative |
unicode/datefmt.h
(use relative style) |
com.ibm.icu.text.DateFormat
(use relative style) |
not available |
| Date / time duration |
not available |
com.ibm.icu.text.DurationFormat |
not available |
| Decimals numbers |
unicode/decimfmt.h |
com.ibm.icu.text.DecimalFormat |
java.text.DecimalFormat |
| Message |
unicode/msgfmt.h |
com.ibm.icu.text.MessageFormat |
java.text.MessageFormat |
| Extensible number base class |
unicode/numfmt.h |
com.ibm.icu.text.NumberFormat |
java.text.NumberFormat |
| Rule-based number |
unicode/rbnf.h |
com.ibm.icu.text.RuleBasedNumberFormat |
not available |
| Choice |
unicode/choicfmt.h |
use Java |
java.text.ChoiceFormat |
| |
| Transformations |
|
| Case
Mappings |
unicode/uchar.h
unicode/ustring.h
unicode/unistr.h |
com.ibm.icu.lang.UCharacter |
java.lang.Character |
| BiDi
Algorithm |
unicode/ubidi.h |
com.ibm.icu.text.Bidi |
java.text.Bidi |
| Normalization |
|
| Decomposition |
unicode/unorm.h
unicode/normlzr.h
|
com.ibm.icu.text.Normalizer |
java.text.Normalizer
(Since Java 6) |
| Composition |
| Canonical string comparisons |
String concatenation
Note: result string is normalized. |
not available |
| FC_NFKC closure set retrieval |
not available |
| Quick
check |
not available |
| FCD |
not available |
| |
| General/script
transformation |
comparison details |
| |
| Layout
Engine |
layout/loengine.h |
not available |
internal |
| |
| Collation |
comparison details |
| |
| Regular
Expressions |
unicode/regex.h |
use Java |
java.util.regex |
| |
| Boundary
Analysis |
|
| Dictionary-based break iterators |
unicode/brkiter.h |
com.ibm.icu.text.BreakIterator |
not available |
| Line boundaries |
unicode/brkiter.h |
com.ibm.icu.text.BreakIterator |
java.text.BreakIterator |
| Sentence boundaries |
unicode/brkiter.h |
com.ibm.icu.text.BreakIterator |
java.text.BreakIterator |
| Word boundries |
unicode/brkiter.h |
com.ibm.icu.text.BreakIterator |
java.text.BreakIterator |
| Rule-based break iterators |
unicode/rbbi.h |
com.ibm.icu.text.RuleBasedBreakIterator |
not available |