Java Utililty Methods Number Format Pattern

List of utility methods to do Number Format Pattern

  1. HOME
  2. Java
  3. N
  4. Number Format Pattern

Description

The list of methods to do Number Format Pattern are organized into topic(s).

Method

StringgetNumberComma(String number)
Insert comma to String 
NumberFormat fmt = NumberFormat.getInstance();
String strNumber = fmt.format(Double.valueOf(number));
return strNumber;
NumberFormatgetNumberFormat()
get Number Format 
NumberFormat nf = NumberFormat.getIntegerInstance(SITEMAP_LOCALE);
nf.setMinimumFractionDigits(5);
return nf;
NumberFormatgetNumberFormat()
get Number Format 
return numberFormat;
StringgetNumberFormat(BigDecimal num, final int digits)
get Number Format 
String thenum = "";
if (num == null) {
    num = new BigDecimal(0);
try {
    final NumberFormat nf = NumberFormat.getInstance();
    nf.setMaximumFractionDigits(digits);
    nf.setMinimumFractionDigits(digits);
...
doublegetNumberFormat(double d)
format the double number 
DecimalFormat format = new DecimalFormat("###0.000000");
String str = "";
str = format.format(d);
double e = Double.parseDouble(str);
return e;
NumberFormatgetNumberFormat(final String pattern)
get Number Format 
DecimalFormat df = new DecimalFormat(pattern, DecimalFormatSymbols.getInstance(Locale.ENGLISH));
return df;
NumberFormatgetNumberFormat(int maximumFractionDigits)
Return a number formatter with maximum fraction digits, no grouping, locale ENGLISH. 
NumberFormat format = NumberFormat.getInstance(Locale.ENGLISH);
format.setMaximumFractionDigits(maximumFractionDigits);
format.setGroupingUsed(false);
return format;
NumberFormatgetNumberFormat(String format, Locale locale)
Returns a NumberFormat instance for the specified format and Locale . 
if (format == null || locale == null) {
    return null;
NumberFormat nf = null;
int style = getNumberStyleAsInt(format);
if (style < 0) {
    nf = new DecimalFormat(format, new DecimalFormatSymbols(locale));
} else {
...
DecimalFormatgetNumberFormat(String localeStr)
get Number Format 
DecimalFormat nf = numberformatMap.get(localeStr);
if (nf == null) {
    Locale locale = new Locale(localeStr);
    nf = (DecimalFormat) NumberFormat.getInstance(locale);
    numberformatMap.put(localeStr, nf);
return nf;
NumberFormatgetNumberFormatFromCache(Locale locale, Currency currency)
Provides a cached approach for creating NumberFormat instances. 
String key = locale.toString() + currency.getCurrencyCode();
if (!FORMAT_CACHE.containsKey(key)) {
    NumberFormat format = NumberFormat.getCurrencyInstance(locale);
    format.setCurrency(currency);
    FORMAT_CACHE.put(key, format);
return FORMAT_CACHE.get(key);