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

StringformatNumber(Double number, String pattern)
format Number 
DecimalFormat df = new DecimalFormat(pattern);
return df.format(number);
DoubleformatNumber(Double numberToFormat, int decimalPlacement)
format Number 
if (decimalPlacement == 0) {
    return new Double(Math.round(numberToFormat.floatValue()));
NumberFormat numberFormat = NumberFormat.getInstance();
StringBuffer stringBuffer = new StringBuffer();
FieldPosition fieldPosition = new FieldPosition(0);
numberFormat.setGroupingUsed(false);
numberFormat.setMaximumFractionDigits(decimalPlacement);
...
StringformatNumber(double paramDouble, int paramInt)
format Number 
return NumberFormat.getNumberInstance().format(round(paramDouble, paramInt));
StringformatNumber(double pValue)
format Number 
java.text.DecimalFormat formatDecimal = new java.text.DecimalFormat(",##0.00");
java.text.DecimalFormatSymbols symbols = new java.text.DecimalFormatSymbols();
symbols.setGroupingSeparator(',');
symbols.setDecimalSeparator('.');
formatDecimal.setDecimalFormatSymbols(symbols);
return formatDecimal.format(pValue).toString();
StringformatNumber(double value)
Formats a specified numeric (int or real) value. 
if (value >= 100) {
    return formatInt(value);
} else if (value >= 0.995) {
    return REAL_FORMAT_1.format(value);
} else if (value >= 0.0995) {
    return REAL_FORMAT_2.format(value);
} else if (value >= 0.00995) {
    return REAL_FORMAT_3.format(value);
...
StringformatNumber(double value, double epsilon)
Formats a number so that it presents a number of significant figures corresponding to a supplied small difference. 
epsilon = Math.abs(epsilon);
double aval = Math.abs(value);
int nsf = Math.max(0, (int) Math.round(-Math.log10(epsilon / aval)));
if (aval >= 1e6 || aval <= 1e-4) {
    return formatNumber(value, "0.#E0", nsf);
} else if (epsilon >= 0.9) {
    return Long.toString((long) Math.round(value));
} else {
...
StringformatNumber(final double number)
format Number 
return formatNumber(number, true);
StringformatNumber(Float d, int scalar)
format Number 
float temp = d.floatValue();
return formatNumber(temp, scalar);
StringformatNumber(float num, String format)
format the number 
DecimalFormat df = new DecimalFormat(format);
return df.format(num);
StringformatNumber(int fractionDigits, double value)
format Number 
if (fractionDigits >= 0 && fractionDigits <= 10) {
    return nfs.get(fractionDigits).format(value);
throw new RuntimeException("Only supports fraction digits between 0 to 10");