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 src)
to Long 
long dest = 0;
if (src == null || src.trim().equals("")) {
    return 0;
try {
    dest = Long.parseLong(src.trim());
} catch (Exception e) {
return dest;
longtoLong(String str)
Converts a string to a long . 
return Long.parseLong(str);
longtoLong(String str)
to Long 
return toLong(str, 0L);
LongtoLong(String str)
to Long 
if (isEmpty(str))
    return null;
try {
    return Long.parseLong(str);
} catch (Exception e) {
    e.printStackTrace();
    return null;
longtoLong(String str)

Convert a String to a long, returning zero if the conversion fails.

If the string is null, zero is returned.

 NumberUtility.toLong(null) = 0L NumberUtility.toLong("")   = 0L NumberUtility.toLong("1")  = 1L 
return toLong(str, 0L);
LongtoLong(String str)
to Long 
if (str == null || str.length() == 0) {
    return null;
} else {
    return Long.parseLong(str);
longtoLong(String str)

Convert a String to a long, returning zero if the conversion fails. 

return toLong(str, 0L);
longtoLong(String str, long defaultValue)
to Long 
if (str == null) {
    return defaultValue;
try {
    return Long.parseLong(str);
} catch (NumberFormatException nfe) {
    return defaultValue;
longtoLong(String str, long val)
to Long 
return str != null ? Long.parseLong(str) : val;
longtoLong(String string)
to Long 
if (!isBinary(string))
    return 0;
if (string.length() > 63)
    return Long.MAX_VALUE;
return Long.parseLong(string, 2);