Java Utililty Methods Long Number From

List of utility methods to do Long Number From

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Description

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

Method

long[]toLongs(int[] array)
to Longs 
long[] ret = new long[array.length];
for (int e = 0; e < array.length; e++) {
    ret[e] = array[e];
return ret;
long[]toLongs(Long[] values)
to Longs 
return toLongs(values, DEFAULT_LONG);
longtoLongTime()
to Long Time 
return System.currentTimeMillis();
LongtoLongTimestamp(Object cell)
to Long Timestamp 
if (cell instanceof String) {
    Double d = Double.valueOf((String) cell);
    d = new Double(d * 1000d);
    return d.longValue();
} else {
    return null;
longtoLongUnsigned(int intValue)
Convert a signed int to a unsigned value in a long 
long mask = 0x7fffffff;
mask += (long) 1 << 31;
return (intValue & mask);
longtoLongValue(byte... bytes)
to Long Value 
return toLongValue(bytes, 0, bytes.length);
longtoLongValue(final Object o)
to Long Value 
if (o instanceof Long)
    return ((Long) o).longValue();
return 0;
LongtoLongValue(final String candidateString)

Parses the given candidate string into a Long . 

Long result;
if (candidateString == null || candidateString.length() == 0)
    throw new NumberFormatException("Cannot parse zero length string.");
String longTxtVal = candidateString;
if (longTxtVal.length() > 2 && (longTxtVal.endsWith("l") || longTxtVal.endsWith("L")))
    longTxtVal = longTxtVal.substring(0, longTxtVal.length() - 1);
result = new Long(longTxtVal);
return result;
...
LongtoLongValue(Object value)
to Long Value 
if ((value == null) || (value.getClass() == Long.class)) {
    return (Long) value;
if (value instanceof Number) {
    return ((Number) value).longValue();
throw new IllegalArgumentException("value must be instance of Number.");