public class StringUtils extends Object
Modifier and Type | Field and Description |
---|---|
static String |
EMPTY |
static String |
SPACE |
Modifier and Type | Method and Description |
---|---|
static boolean |
isEmpty(CharSequence charSequence)
Checks if String is null
|
static boolean |
isInteger(String str)
Check if string is integer or not
|
static boolean |
isNumeric(String str)
Check if String is numeric or not.
|
public static final String SPACE
public static final String EMPTY
public static boolean isEmpty(CharSequence charSequence)
charSequence
- CharSequence
Can provide nullBoolean
if provided char sequence is null or empty / blankpublic static boolean isNumeric(String str)
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