Java Utililty Methods Long Number Format

List of utility methods to do Long Number Format

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Description

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

Method

Stringformat(long s)
format 
if (s < 10) {
    return "0" + s;
} else {
    return "" + s;
Stringformat(long seconds)
format 
long minutes = seconds / 60;
long secs = seconds - (minutes * 60);
String time = "" + minutes + ":";
if (secs < 10) {
    time += "0";
time += secs;
return time;
...
Stringformat(long value)
format 
if (value < 0)
    return "-" + format(-value);
if (value == 0)
    return "0B";
final int mag = (int) (Math.log10(value) / Math.log10(1024));
final float adjustedSize = (float) value / (1L << (mag * 10));
final String format = (mag > 2 ? "%.2f" : "%.0f") + "%s";
return String.format(format, adjustedSize, SIZE_SUFFIXES[mag]);
...
longformat(Long value)
Converts Byte values into Megabyte values. 
return value / 1024 / 1024;
StringformatLong(long inLong, int inLen, boolean inComma, int inCommaPos)
This method is to format the long. 
String outString = "";
int countComma = 0;
long tempLong;
boolean fNegative = false;
if (inLong < 0) {
    fNegative = true;
    inLong = inLong * (-1);
if (inLong == 0)
    outString = "0";
else {
    while (inLong > 0) {
        if (inComma && countComma == inCommaPos) {
            outString = "," + outString;
            countComma = 0;
        tempLong = inLong % 10;
        outString = Long.toString(tempLong) + outString;
        inLong = (long) (inLong / 10);
        countComma++;
if (fNegative)
    outString = "-" + outString;
return outString;
StringformatLong(Long number)
format Long 
if (number == null) {
    number = 0L;
return number.toString();
StringformatLong(long val, int size)
format Long 
String formatter = "%0" + size + "d";
return String.format(formatter, val);
StringformatLong(long value)
Formats a long value and prepends it with a - or + This functions is used for showing the diff values for test runs 
if (value == 0) {
    return "0";
} else if (value < 0) {
    return Long.toString(value);
} else { 
    return "+" + Long.toString(value);
StringformatLong(long value)
Formats a value using spaces to separate thousands as: ddd ddd ddd. 
boolean isNegative = value < 0;
if (isNegative) {
    value = -value;
char[] buffer = new char[1 + 19 + 6];
int index = buffer.length - 1;
if (value == 0) {
    buffer[index--] = '0';
...
StringformatLong(long value, int length)
Format long value 
boolean isPostive = value >= 0;
value = isPostive ? value : value * -1;
String result = formatStr2("" + value, length - 1);
if (isPostive)
    result = " " + result;
else
    result = "-" + result;
return result;
...