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

StringformatPair(double in, double out)
format Pair 
boolean mega = in >= 1024 * 1024 || out >= 1024 * 1024;
if (mega) {
    in /= 1024 * 1024;
    out /= 1024 * 1024;
} else {
    in /= 1024;
    out /= 1024;
DecimalFormat fmt;
if (in >= 1000 || out >= 1000)
    fmt = new DecimalFormat("#0");
else if (in >= 100 || out >= 100)
    fmt = new DecimalFormat("#0.0");
else
    fmt = new DecimalFormat("#0.00");
return fmt.format(in) + THINSP + fmt.format(out) + " " + (mega ? 'M' : 'K');
StringformatPotencia(float potencia)
format Potencia 
DecimalFormat df = new DecimalFormat(PATRON_POTENCIA);
return df.format(potencia);
StringformatPowerFloat(float averageRfTickSent)
format Power Float 
return FLOAT_NF.format(averageRfTickSent);
StringformatPrice(Double price)
Formats a Double representing a price into a string 
if (price == null)
    return "";
return formatPrice(price.doubleValue());
StringformatQuantity(Double quantity)
Formats an Double representing a quantity into a string 
if (quantity == null)
    return "";
else
    return formatQuantity(quantity.doubleValue());
StringformatRate(double events, double time, String event)
Renders a human readable event rate esitmation. 
StringBuffer buff = new StringBuffer();
NumberFormat format = new DecimalFormat("#.##");
if (events > time) {
    buff.append(format.format(events / time) + " " + event + "s / 1s on average");
} else {
    double interval = time / events;
    int d = (int) (interval / (24 * 3600));
    interval -= d * 24 * 3600;
...
StringformatSimpleDecimal(double d)
returns string from double formatted to DecimalFormat("###.##") 
return simpleFormat.format(d);
StringformatSpeed(float speed)
Format a floating point to a String with a 1 digit fraction. 
NumberFormat formatter = NumberFormat.getInstance();
if (speed < 1) {
    formatter.setMaximumFractionDigits(2);
    formatter.setMinimumFractionDigits(2);
} else {
    formatter.setMaximumFractionDigits(1);
    formatter.setMinimumFractionDigits(1);
String format = formatter.format(speed);
return format;
Stringformatted_string(double number)
formattestring 
double absnumber = Math.abs(number);
if (absnumber >= 1000.0 || absnumber < 0.01) {
    DecimalFormat expformat = new DecimalFormat("0.00E0");
    return expformat.format(number);
} else {
    if (absnumber >= 100.0) {
        DecimalFormat tempformat = new DecimalFormat("000.0");
        return tempformat.format(number);
...
StringformatToEightPlaces(double pValue)
format To Eight Places 
DecimalFormat df = new DecimalFormat("#,###,###,##0.00000000");
return df.format(pValue);