public class ProperFractionFormat extends FractionFormat
 Minus signs are only allowed in the whole number part - i.e.,
 "-3 1/2" is legitimate and denotes -7/2, but "-3 -1/2" is invalid and
 will result in a ParseException.
NumberFormat.FieldFRACTION_FIELD, INTEGER_FIELD| Constructor and Description | 
|---|
| ProperFractionFormat()Create a proper formatting instance with the default number format for
 the whole, numerator, and denominator. | 
| ProperFractionFormat(NumberFormat format)Create a proper formatting instance with a custom number format for the
 whole, numerator, and denominator. | 
| ProperFractionFormat(NumberFormat wholeFormat,
                    NumberFormat numeratorFormat,
                    NumberFormat denominatorFormat)Create a proper formatting instance with a custom number format for each
 of the whole, numerator, and denominator. | 
| Modifier and Type | Method and Description | 
|---|---|
| StringBuffer | format(Fraction fraction,
      StringBuffer toAppendTo,
      FieldPosition pos)Formats a  Fractionobject to produce a string. | 
| NumberFormat | getWholeFormat()Access the whole format. | 
| Fraction | parse(String source,
     ParsePosition pos)Parses a string to produce a  Fractionobject. | 
| void | setWholeFormat(NumberFormat format)Modify the whole format. | 
format, formatFraction, getAvailableLocales, getDefaultNumberFormat, getImproperInstance, getImproperInstance, getProperInstance, getProperInstance, parseformat, format, getDefaultNumberFormat, getDenominatorFormat, getNumeratorFormat, parseAndIgnoreWhitespace, parseNextCharacter, setDenominatorFormat, setNumeratorFormatclone, equals, format, format, getCurrency, getCurrencyInstance, getCurrencyInstance, getInstance, getInstance, getIntegerInstance, getIntegerInstance, getMaximumFractionDigits, getMaximumIntegerDigits, getMinimumFractionDigits, getMinimumIntegerDigits, getNumberInstance, getNumberInstance, getPercentInstance, getPercentInstance, getRoundingMode, hashCode, isGroupingUsed, isParseIntegerOnly, parseObject, setCurrency, setGroupingUsed, setMaximumFractionDigits, setMaximumIntegerDigits, setMinimumFractionDigits, setMinimumIntegerDigits, setParseIntegerOnly, setRoundingModeformat, formatToCharacterIterator, parseObjectpublic ProperFractionFormat()
public ProperFractionFormat(NumberFormat format)
format - the custom format for the whole, numerator, and
        denominator.public ProperFractionFormat(NumberFormat wholeFormat, NumberFormat numeratorFormat, NumberFormat denominatorFormat)
wholeFormat - the custom format for the whole.numeratorFormat - the custom format for the numerator.denominatorFormat - the custom format for the denominator.public StringBuffer format(Fraction fraction, StringBuffer toAppendTo, FieldPosition pos)
Fraction object to produce a string.  The fraction
 is output in proper format.format in class FractionFormatfraction - the object to format.toAppendTo - where the text is to be appendedpos - On input: an alignment field, if desired. On output: the
            offsets of the alignment fieldpublic NumberFormat getWholeFormat()
public Fraction parse(String source, ParsePosition pos)
Fraction object.  This method
 expects the string to be formatted as a proper fraction.
 
 Minus signs are only allowed in the whole number part - i.e.,
 "-3 1/2" is legitimate and denotes -7/2, but "-3 -1/2" is invalid and
 will result in a ParseException.
parse in class FractionFormatsource - the string to parsepos - input/ouput parsing parameter.Fraction object.public void setWholeFormat(NumberFormat format)
format - The new whole format value.NullArgumentException - if format is null.Copyright © 2003–2016 The Apache Software Foundation. All rights reserved.