Java Utililty Methods Null Value Convert

List of utility methods to do Null Value Convert

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Description

The list of methods to do Null Value Convert are organized into topic(s).

Method

StringconvertNull(Object o)
convert Null 
try {
    String strvalue = String.valueOf(o);
    if (strvalue.equals(null) || strvalue.equals("null") || strvalue.length() == 0) {
        return "";
    } else {
        return strvalue.trim();
} catch (Exception e) {
...
StringconvertNull(Object source)
Returns the string representation of a given object or an empty string if the object is null. 
return convertNull(source, "");
StringconvertNull2ZeroString(String value)
convert Null Zero String 
if (value == null) {
    return "";
} else {
    return value;
StringconvertNullableString(Object object)
convert Nullable String 
if (object == null) {
    return new String();
return object.toString();
StringconvertNullString2Empty(Object str)
Return empty string if the input string is null 
if (str == null)
    return "";
else
    return str.toString();
StringconvertNullToBlank(String s)
convert Null To Blank 
return null == s ? "" : s;
StringconvertNullToEmptyStr(String inObj)
convert Null To Empty Str 
if (inObj == null) {
    return "";
return inObj;
StringconvertNullToEmptyString(Object raw)
Converts null to empty string 
return raw == null ? "" : String.valueOf(raw);
StringconvertNullToEmptyString(String s)
Returns the empty string if s is null; otherwise, returns s. 
return (s == null) ? "" : s;
StringconvertNullToEmptyString(String value)
Converts value to a empty string if value is null. 
if (value == null) {
    return "";
return value;