Java Utililty Methods Fraction Format

List of utility methods to do Fraction Format

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Description

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

Method

StringformatIndexValuePairs(List indicies, List values, String valueSeparator, String rangeSeparator)
format Index Value Pairs 
DecimalFormat formatter = new DecimalFormat("#,##0.#");
StringBuilder builder = new StringBuilder();
int startRange = 0;
int previousIndex = 0;
double rangeValue = 0;
for (int i = 0; i < indicies.size(); i++) {
    int index = indicies.get(i);
    double value = values.get(i);
...
StringformatInt(double value)
Formats a specified numeric value as int. 
return INT_FORMAT.format(value);
StringformatIntoCurr(double num, int digits)
Use this method like this:
String formatted = Util.formatIntoCurr(123456789.123, 2);
formatted ==> "123,456,789.12" 
return formatIntoCurr("" + num, digits);
StringformatIntRate(double rateInt)
format Int Rate 
try {
    NumberFormat nf = new DecimalFormat("0.00");
    String moneyValue = nf.format(rateInt * 100);
    return moneyValue + "%";
} catch (Exception ex) {
    return "";
StringformatKnots(double v)
format Knots 
return new DecimalFormat(FORMAT_SHORT).format(toKnots(v)) + " " + UNIT_KNOTS;
StringformatManeyPattern(String pattern, Double amount)
format Maney Pattern 
NumberFormat nf = new DecimalFormat(pattern);
return nf.format(amount);
StringformatMetricsDecimal(double value)
format Metrics Decimal 
if (value == -1 || Double.isNaN(value) || Double.isInfinite(value)) {
    return NO_METRICS_LABEL;
} else {
    return getDecimalFormatter().format(value);
StringformatNoGrouping(double value)
format No Grouping 
NumberFormat groupedFormat = NumberFormat.getNumberInstance();
groupedFormat.setGroupingUsed(false);
return groupedFormat.format(value);
StringformatNormalDouble(double value)
format Normal Double 
String formattedDouble = formatDouble(value, "0.000");
return formattedDouble;
StringformatNum(double d)
format Num 
DecimalFormat df = new DecimalFormat("####,##0.00");
String result = df.format(d);
if (".00".equals(result)) {
    result = "0" + result;
return result;