java.text
接口 
AttributedCharacterIterator
CharacterIterator
 
Annotation
AttributedCharacterIterator.Attribute
AttributedString
Bidi
BreakIterator
ChoiceFormat
CollationElementIterator
CollationKey
Collator
DateFormat
DateFormat.Field
DateFormatSymbols
DecimalFormat
DecimalFormatSymbols
FieldPosition
Format
Format.Field
MessageFormat
MessageFormat.Field
Normalizer
NumberFormat
NumberFormat.Field
ParsePosition
RuleBasedCollator
SimpleDateFormat
StringCharacterIterator
枚举 
Normalizer.Form
异常 
ParseException