import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;

class DecFormats {

    private static final DecimalFormatSymbols DECIMAL_FORMAT_SYMBOLS = decimalFormatSymbols(' ', ',');

    private static final ThreadLocal<DecimalFormat>
            VALUES_A_FORMATTER = ThreadLocal.withInitial(() -> new DecimalFormat("#,##0.00", DECIMAL_FORMAT_SYMBOLS)),
            VALUES_B_FORMATTER = ThreadLocal.withInitial(() -> new DecimalFormat("#,##0.00000000", DECIMAL_FORMAT_SYMBOLS));

    private static DecimalFormatSymbols decimalFormatSymbols(char groupingSeparator, char decimalSeparator) {
        DecimalFormatSymbols symbols = new DecimalFormatSymbols();
        symbols.setGroupingSeparator(groupingSeparator);
        symbols.setDecimalSeparator(decimalSeparator);
        return symbols;
    }
}