Java Utililty Methods Number Format

List of utility methods to do Number Format

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Description

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

Method

StringformatPhoneNo(String country, String area, String number, String inline)
format Phone No 
StringBuffer sb = new StringBuffer();
boolean first = true;
if (country != null)
    country = country.trim();
if (area != null)
    area = area.trim();
if (number != null)
    number = number.trim();
...
StringformatPhoneNumber(String number)
format Phone Number 
if (isEmpty(number))
    return "";
String phoneNumber = number.trim();
if (phoneNumber.length() == 11) {
    StringBuffer buf = new StringBuffer();
    buf.append(phoneNumber.substring(0, 1));
    buf.append("(");
    buf.append(phoneNumber.substring(1, 4));
...
StringformatPhoneNumber(String phoneNumber)
format Phone Number 
try {
    String s = phoneNumber.replaceAll("\\(|\\)|:|-|\\.", "");
    ;
    s = s.replaceAll("(\\d{3})(\\d{3})(\\d{4})(\\d{3})*", "($1) $2-$3x$4");
    if (s.endsWith("x"))
        s = s.substring(0, s.length() - 1);
    return s;
} catch (Exception ex) {
...
StringformatPrintIntegerToString(long number, boolean printCommasP, boolean printSignP, int radix, int mincol, char padchar, char commachar, int commainterval)
format Print Integer To String 
String text = Long.toString(Math.abs(number), radix);
String commaed = (printCommasP) ? formatAddCommas(text, commachar, commainterval) : text;
String signed = (number < 0) ? "-" + commaed : (printSignP) ? "+" + commaed : commaed;
return formatWriteFieldToString(signed, mincol, 1, 0, padchar, true);
voidformatRowKey(final long number, final int digits, byte[] dest)
format Row Key 
long d = Math.abs(number);
for (int ii = digits - 1; ii >= 0; ii--) {
    dest[ii] = (byte) ((d % 10) + '0');
    d /= 10;
StringformatSafetyNumber(String digits)
format Safety Number 
final int partCount = 12;
int partSize = digits.length() / partCount;
StringBuilder f = new StringBuilder(digits.length() + partCount);
for (int i = 0; i < partCount; i++) {
    f.append(digits, i * partSize, (i * partSize) + partSize).append(" ");
return f.toString();
StringformatSheetNumber100(final int sheetNumber)
format Sheet Number 
if (sheetNumber < 10) {
    return "00" + sheetNumber;
} else if (sheetNumber < 100) {
    return "0" + sheetNumber;
} else {
    return String.valueOf(sheetNumber);
StringformatSmallerNumber(String prefix, String suffix, long amnt, boolean useDecimals)
format Smaller Number 
switch (Long.toString(amnt).length()) {
case 4:
    prefix += Long.toString(amnt).substring(0, 1)
            + (useDecimals ? "." + Long.toString(amnt).substring(1, 3) : "") + "K" + suffix;
    return prefix;
case 5:
    prefix += Long.toString(amnt).substring(0, 2)
            + (useDecimals ? "." + Long.toString(amnt).substring(2, 4) : "") + "K" + suffix;
...
StringformatTo2Digit(int number)
Used to format number in 2 digits 
return number < 10 ? "0" + number : Integer.toString(number);
StringNumberFormat(double str, int max, int min)
Number Format 
NumberFormat nf = NumberFormat.getInstance();
nf.setMaximumFractionDigits(max);
nf.setMinimumFractionDigits(min);
return nf.format(str);