public void testGetDecimalFormatSymbols() throws Exception {
        final DecimalFormatSymbols symbols = DecimalFormatSymbolsUtil.getDecimalFormatSymbols(Locale.GERMAN);
        System.out.println("DecimalSeparator:" + symbols.getDecimalSeparator());
        System.out.println("GroupingSeparator:" + symbols.getGroupingSeparator());
    }

        if (s == null) {
            return null;
        }
        final DecimalFormatSymbols symbols = DecimalFormatSymbolsUtil.getDecimalFormatSymbols(locale);
        final char decimalSep = symbols.getDecimalSeparator();
        final char groupingSep = symbols.getGroupingSeparator();
        final StringBuilder buf = new StringBuilder(20);
        for (int i = 0; i < s.length(); ++i) {
            char c = s.charAt(i);

     */
    public void testFindFractionDelimeter3() throws Exception {
        final String delim = NumberConversionUtil.findDecimalSeparator(null);
        final char c = new DecimalFormatSymbols(LocaleUtil.getDefault()).getDecimalSeparator();
        assertEquals(Character.toString(c), delim);
    }

    /**
     * @throws Exception
     */
    public void testFindIntegerDelimeter() throws Exception {

     * @return 数値のセパレータ
     */
    public static String findDecimalSeparator(final Locale locale) {
        final DecimalFormatSymbols symbol = getDecimalFormatSymbols(locale);
        return Character.toString(symbol.getDecimalSeparator());
    }

    private static DecimalFormatSymbols getDecimalFormatSymbols(final Locale locale) {
        DecimalFormatSymbols symbol;
        if (locale != null) {