Java Utililty Methods Formatter Usage

List of utility methods to do Formatter Usage

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Description

The list of methods to do Formatter Usage are organized into topic(s).

Method

StringdisplayStackTrace()
display Stack Trace 
return displayStackTrace(null);
voidecho(Formatter script, String label, String message, String file)
echo 
script.format("echo \"#AT_%s %s\" >> %s\n", label, message, file);
StringencodeHex(byte[] bytes)
Converts the given byte array to a Hex formatted string. 
Formatter hexStringFormatter = new Formatter();
for (byte b : bytes) {
    hexStringFormatter.format("%02X", b);
return hexStringFormatter.toString();
StringescapeUnicode(String input)
escape Unicode 
StringBuilder b = new StringBuilder(input.length());
Formatter f = new Formatter(b);
for (char c : input.toCharArray()) {
    if (c < 128) {
        b.append(c);
    } else {
        f.format("%02X", (int) c);
f.close();
return b.toString();
StringfloatForSql(Float f)
generate a nice string representation of this floating point number suitable for Sql 
if (f == null)
    return "NULL";
Formatter fmt = new Formatter();
fmt.format("%.2f", f);
return fmt.toString();
StringFmt(String format, Object... args)
Fmt 
return new Formatter().format(format, args).toString();
Stringformat(double value)
Format the given value into a representation with 4 digits after the comma. 
return format(value, 4);
Stringformat(Locale l, String format, Object... args)
Returns a formatted string using the specified locale, format string, and arguments. 
return new Formatter(l).format(format, args).toString();
Stringformat(String format, Object... args)
format 
return format(null, format, args);
Stringformat_hh_mm_ss_Optional(final long value)
formahms Optional 
boolean isShowSeconds = true;
final int seconds = (int) ((value % 3600) % 60);
if (isShowSeconds && seconds == 0) {
    isShowSeconds = false;
String valueText;
if (isShowSeconds) {
    valueText = format_hh_mm_ss(value);
...