130      * Obtains the DecimalStyle for the default
 131      * {@link java.util.Locale.Category#FORMAT FORMAT} locale.
 132      * <p>
 133      * This method provides access to locale sensitive decimal style symbols.
 134      * <p>
 135      * This is equivalent to calling
 136      * {@link #of(Locale)
 137      *     of(Locale.getDefault(Locale.Category.FORMAT))}.
 138      *
 139      * @see java.util.Locale.Category#FORMAT
 140      * @return the decimal style, not null
 141      */
 142     public static DecimalStyle ofDefaultLocale() {
 143         return of(Locale.getDefault(Locale.Category.FORMAT));
 144     }
 145 
 146     /**
 147      * Obtains the DecimalStyle for the specified locale.
 148      * <p>
 149      * This method provides access to locale sensitive decimal style symbols.





 150      *
 151      * @param locale  the locale, not null
 152      * @return the decimal style, not null
 153      */
 154     public static DecimalStyle of(Locale locale) {
 155         Objects.requireNonNull(locale, "locale");
 156         DecimalStyle info = CACHE.get(locale);
 157         if (info == null) {
 158             info = create(locale);
 159             CACHE.putIfAbsent(locale, info);
 160             info = CACHE.get(locale);
 161         }
 162         return info;
 163     }
 164 
 165     private static DecimalStyle create(Locale locale) {
 166         DecimalFormatSymbols oldSymbols = DecimalFormatSymbols.getInstance(locale);
 167         char zeroDigit = oldSymbols.getZeroDigit();
 168         char positiveSign = '+';
 169         char negativeSign = oldSymbols.getMinusSign();

 130      * Obtains the DecimalStyle for the default
 131      * {@link java.util.Locale.Category#FORMAT FORMAT} locale.
 132      * <p>
 133      * This method provides access to locale sensitive decimal style symbols.
 134      * <p>
 135      * This is equivalent to calling
 136      * {@link #of(Locale)
 137      *     of(Locale.getDefault(Locale.Category.FORMAT))}.
 138      *
 139      * @see java.util.Locale.Category#FORMAT
 140      * @return the decimal style, not null
 141      */
 142     public static DecimalStyle ofDefaultLocale() {
 143         return of(Locale.getDefault(Locale.Category.FORMAT));
 144     }
 145 
 146     /**
 147      * Obtains the DecimalStyle for the specified locale.
 148      * <p>
 149      * This method provides access to locale sensitive decimal style symbols.
 150      * If the locale contains "nu" (Numbering System) and/or "rg"
 151      * (Region Override) <a href="../../util/Locale.html#def_locale_extension">
 152      * Unicode extensions</a>, returned instance will reflect the values specified with
 153      * those extensions. If both "nu" and "rg" are specified, the value from
 154      * the "nu" extension supersedes the implicit one from the "rg" extension.
 155      *
 156      * @param locale  the locale, not null
 157      * @return the decimal style, not null
 158      */
 159     public static DecimalStyle of(Locale locale) {
 160         Objects.requireNonNull(locale, "locale");
 161         DecimalStyle info = CACHE.get(locale);
 162         if (info == null) {
 163             info = create(locale);
 164             CACHE.putIfAbsent(locale, info);
 165             info = CACHE.get(locale);
 166         }
 167         return info;
 168     }
 169 
 170     private static DecimalStyle create(Locale locale) {
 171         DecimalFormatSymbols oldSymbols = DecimalFormatSymbols.getInstance(locale);
 172         char zeroDigit = oldSymbols.getZeroDigit();
 173         char positiveSign = '+';
 174         char negativeSign = oldSymbols.getMinusSign();