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(String value)
to Long 
if (value != null && value.length() > 0) {
    try {
        return Long.valueOf(value);
    } catch (NumberFormatException e) {
        return 0L;
return 0L;
...
longtoLong(String value)
to Long 
return toLong(value, 0L);
longtoLong(String value)
Converts a given string into type long. 
if (isLong(value)) {
    return Long.parseLong(value);
return -1;
longtoLong(String value, long _default)
to Long 
if (value == null || value.length() == 0)
    return _default;
return Long.valueOf(value);
longtoLong(String value, long def)
Convert String to long 
if (isEmpty(value)) {
    return def;
try {
    return Long.valueOf(value);
} catch (NumberFormatException e) {
    e.printStackTrace();
    return def;
...
longtoLong(String value, Long defaultValue)
to Long 
try {
    if (value == null || "".equals(value.trim()))
        return defaultValue;
    value = value.trim();
    if (value.startsWith("N") || value.startsWith("n"))
        return -Long.parseLong(value.substring(1));
    return Long.parseLong(value);
} catch (Exception e) {
...
longtoLong(String value, long defaultValue)
convert the string to an long, and return the default value if the string is null or does not contain a valid int value 
if (value != null) {
    try {
        return Long.parseLong(value);
    } catch (NumberFormatException n) {
return defaultValue;
LongtoLong(String value, Long defaultValue)
to Long 
if (isEmpty(value))
    return defaultValue;
try {
    return Long.parseLong(value);
} catch (Exception e) {
    return defaultValue;
LongtoLong(T value)
to Long 
return (value != null ? value.longValue() : null);
LongtoLongObject(Object o)
to Long Object 
if (o == null) {
    return null;
Long num;
if (o instanceof Long) {
    num = (Long) o;
} else if (o instanceof Number) {
    num = Long.valueOf(((Number) o).longValue());
...