Java Utililty Methods Number Convert to

List of utility methods to do Number Convert to

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Description

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

Method

CharacterNumberToCharacter(final Number value)
Number To Character 
return value == null ? null : (char) value.intValue();
StringnumberToFormattedString(Double d)
number To Formatted String 
String s = d.toString();
if (s.endsWith(".0")) {
    return s.substring(0, s.length() - 2);
} else if (s.length() > 7) {
    return String.format("%.6g", d);
} else {
    return s;
StringnumberToJson(Number number)
number To Json 
return number.toString();
voidnumberToMinterm(int num, int length, int index, boolean[] output)
encode the number as a boolean vector, starting from the given index. 
for (int i = 0; i < length; i++)
    output[index++] = ((num & (1L << i)) != 0);
StringnumberToOrdinal(int i)
number To Ordinal 
return i % 100 == 11 || i % 100 == 12 || i % 100 == 13 ? i + "th" : i + ORDINAL_SUFFIXES[i % 10];
StringnumberToPaddedHexString(int number, int size)
number To Padded Hex String 
String s = Integer.toHexString(number);
if (s.length() > size) {
    throw new IllegalArgumentException("Number too big for padded hex string");
StringBuffer buf = new StringBuffer();
for (int i = 0; i < (size - s.length()); i++) {
    buf.append('0');
buf.append(s);
return buf.toString();
longnumberToPrimitiveLong(Object o)
number To Primitive Long 
long i;
if (o instanceof Long)
    i = ((Long) o).longValue();
else if (o instanceof Integer)
    i = ((Integer) o).longValue();
else if (o instanceof Short)
    i = ((Short) o).longValue();
else if (o instanceof Byte)
...
DoubleNumberToReal(Object n)
converts a instance to a Double. 
if (n == null)
    return null;
return new Double(((Number) n).doubleValue());