public abstract class NumberFormatProvider extends LocaleServiceProvider
NumberFormat
class.Modifier | Constructor | Description |
---|---|---|
protected |
Sole constructor. |
Modifier and Type | Method | Description |
---|---|---|
NumberFormat |
getCompactNumberInstance |
Returns a new NumberFormat instance which formats a number in its compact form for the specified locale and formatStyle . |
abstract NumberFormat |
getCurrencyInstance |
Returns a new NumberFormat instance which formats monetary values for the specified locale. |
abstract NumberFormat |
getIntegerInstance |
Returns a new NumberFormat instance which formats integer values for the specified locale. |
abstract NumberFormat |
getNumberInstance |
Returns a new general-purpose NumberFormat instance for the specified locale. |
abstract NumberFormat |
getPercentInstance |
Returns a new NumberFormat instance which formats percentage values for the specified locale. |
getAvailableLocales, isSupportedLocale
protected NumberFormatProvider()
public abstract NumberFormat getCurrencyInstance(Locale locale)
NumberFormat
instance which formats monetary values for the specified locale.locale
- the desired locale.NullPointerException
- if locale
is nullIllegalArgumentException
- if locale
isn't one of the locales returned from getAvailableLocales()
.public abstract NumberFormat getIntegerInstance(Locale locale)
NumberFormat
instance which formats integer values for the specified locale. The returned number format is configured to round floating point numbers to the nearest integer using half-even rounding (see HALF_EVEN
) for formatting, and to parse only the integer part of an input string (see isParseIntegerOnly
).locale
- the desired localeNullPointerException
- if locale
is nullIllegalArgumentException
- if locale
isn't one of the locales returned from getAvailableLocales()
.public abstract NumberFormat getNumberInstance(Locale locale)
NumberFormat
instance for the specified locale.locale
- the desired localeNullPointerException
- if locale
is nullIllegalArgumentException
- if locale
isn't one of the locales returned from getAvailableLocales()
.public abstract NumberFormat getPercentInstance(Locale locale)
NumberFormat
instance which formats percentage values for the specified locale.locale
- the desired localeNullPointerException
- if locale
is nullIllegalArgumentException
- if locale
isn't one of the locales returned from getAvailableLocales()
.public NumberFormat getCompactNumberInstance(Locale locale, NumberFormat.Style formatStyle)
NumberFormat
instance which formats a number in its compact form for the specified locale
and formatStyle
.UnsupportedOperationException
. Overriding the implementation of this method returns the compact number formatter instance of the given locale
with specified formatStyle
.locale
- the desired localeformatStyle
- the style for formatting a numberNullPointerException
- if locale
or formatStyle
is null
IllegalArgumentException
- if locale
is not one of the locales returned from getAvailableLocales()
.UnsupportedOperationException
- if the implementation does not support this method
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/text/spi/NumberFormatProvider.html