| Modifier and Type | Field | Description |
|---|---|---|
static String[] |
EMPTY_ARRAY |
|
static String |
EMPTY_STRING |
| Constructor | Description |
|---|---|
StringUtils() |
| Modifier and Type | Method | Description |
|---|---|---|
static String |
digitOnly(String str) |
|
static String |
firstLowerCase(String str) |
|
static String |
firstUpperCase(String str) |
|
static boolean |
isNullOrEmpty(String str) |
|
static String |
nullOrLowerCase(String str) |
|
static String |
nullOrUpperCase(String str) |
|
static String |
toLowerCase(String str) |
|
static String |
toUpperCase(String str) |
|
static String |
trimToDefault(String str,
String defaultValue) |
|
static String |
trimToEmpty(String str) |
|
static String |
trimToNull(String str) |
public static final String EMPTY_STRING
public static final String[] EMPTY_ARRAY
public static boolean isNullOrEmpty(String str)
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