Java Utililty Methods Long Number Create

List of utility methods to do Long Number Create

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Description

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

Method

LongtoLong(Integer i)
to Long 
if (i == null) {
    return null;
return i.longValue();
Long[]toLong(long[] array)
Converts primitive long[] array to Long[] 
Long[] toArray = (array == null) ? new Long[0] : new Long[array.length];
for (int i = 0; i < toArray.length; i++) {
    toArray[i] = array[i];
return toArray;
LongtoLong(Number n)
to Long 
if (n == null) {
    return null;
return n.longValue();
LongtoLong(Number n)
Converts a Number to a Long. 
if (n == null) {
    return null;
return n.longValue();
LongtoLong(Number num)
Convert the given number into a Long instance. 
return (num == null) ? null : Long.valueOf(num.longValue());
longtoLong(Object _inStrObj)
to Long 
if (_inStrObj == null || _inStrObj.toString().trim().equals("")) {
    return 0;
} else {
    return Long.valueOf(_inStrObj.toString()).longValue();
longtoLong(Object _value, long _default)
Converts a string to an integer, and if unable to do so, returns the default value 
if (_value == null)
    return _default;
else if (_value instanceof Integer)
    return ((Integer) _value).longValue();
else if (_value instanceof Long)
    return ((Long) _value);
else if (_value instanceof Double)
    return ((Double) _value).longValue();
...
LongtoLong(Object cell)
to Long 
if (cell instanceof Long) {
    return ((Long) cell);
} else if (cell instanceof Integer) {
    return new Long((Integer) cell);
} else if (cell instanceof String) {
    return Double.valueOf((String) cell).longValue();
} else {
    return null;
...
LongtoLong(Object expectInt)
to Long 
if (expectInt != null) {
    try {
        return ((Number) expectInt).longValue();
    } catch (ClassCastException e) {
        if (expectInt instanceof String) {
            try {
                return Long.parseLong((String) expectInt);
            } catch (NumberFormatException e1) {
...
longtoLong(Object num)
to Long 
long x;
if (num instanceof Integer) {
    x = ((Integer) num).longValue();
} else if (num instanceof Double) {
    x = ((Double) num).longValue();
} else {
    x = (long) num;
return x;