public class StringUtils extends Object
| 限定符和类型 | 字段和说明 |
|---|---|
static String |
EMPTY |
static int |
INDEX_NOT_FOUND
Represents a failed index search.
|
| 构造器和说明 |
|---|
StringUtils() |
| 限定符和类型 | 方法和说明 |
|---|---|
static boolean |
contains(CharSequence seq,
CharSequence searchSeq) |
static boolean |
containsIgnoreCase(CharSequence str,
CharSequence searchStr) |
static boolean |
equals(CharSequence cs1,
CharSequence cs2) |
static boolean |
equalsAnyIgnoreCase(CharSequence string,
CharSequence... searchStrings) |
static boolean |
equalsIgnoreCase(CharSequence str1,
CharSequence str2) |
static int |
indexOf(String str,
char searchChar) |
static boolean |
isAnyBlank(CharSequence... css) |
static boolean |
isBlank(CharSequence str) |
static boolean |
isEmpty(String str) |
static boolean |
isNoneBlank(CharSequence... css) |
static boolean |
isNotBlank(String str) |
static boolean |
isNotEmpty(String str) |
static boolean |
isNotNumbers(String str) |
static boolean |
isNumbers(String str) |
static String |
join(String separator,
Collection collection) |
static String |
join(String separator,
Object... elements) |
static String[] |
split(String str,
String separatorChars) |
static String |
substring(String str,
int start,
int end) |
static String |
trim(String str) |
static String |
trimToNull(String str) |
public static final int INDEX_NOT_FOUND
public static boolean isEmpty(String str)
public static boolean isNotEmpty(String str)
public static boolean isBlank(CharSequence str)
public static boolean isNotBlank(String str)
public static boolean isNoneBlank(CharSequence... css)
public static boolean isAnyBlank(CharSequence... css)
public static boolean isNumbers(String str)
public static boolean isNotNumbers(String str)
public static String join(String separator, Collection collection)
public static int indexOf(String str, char searchChar)
public static boolean contains(CharSequence seq, CharSequence searchSeq)
public static boolean containsIgnoreCase(CharSequence str, CharSequence searchStr)
public static boolean equals(CharSequence cs1, CharSequence cs2)
public static boolean equalsIgnoreCase(CharSequence str1, CharSequence str2)
public static boolean equalsAnyIgnoreCase(CharSequence string, CharSequence... searchStrings)
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