Java Utililty Methods String Empty

List of utility methods to do String Empty

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Description

The list of methods to do String Empty are organized into topic(s).

Method

StringemptyStringIfNull(String s)
empty String If Null 
return (s == null || s.equals("")) ? "-" : s;
StringemptyStringIfNull(String string)
Returns an empty string if null. 
if (!hasLength(string)) {
    return "";
return string;
String[]emptyStrings()
empty Strings 
return emptyStrings_;
LongemptyStringToLongZero(String s)
empty String To Long Zero 
if (s.length() == 0) {
    return 0L;
} else {
    return Long.parseLong(s);
StringemptyStringToNull(String value)
empty String To Null 
return value.length() == 0 ? null : value;
StringfirstNotEmpty(String... values)
first Not Empty 
for (String value : values) {
    if (value != null && !value.isEmpty())
        return value;
return null;
StringgetFirstNotEmpty(String str, String sperator)
get First Not Empty 
List<String> parts = Arrays.asList(str.split("/"));
for (String part : parts) {
    if (!isEmpty(part)) {
        return part;
return str;
booleanisAnyEmpty(String... sAry)
is Any Empty 
for (String s : sAry) {
    if (isEmpty(s))
        return true;
return false;
booleanisEmpty(String input)
is Empty 
return input == null || input.trim().length() == 0;
booleanisEmpty(String param)
is Empty 
return param == null || param.length() == 0 || param.trim().equals("");