public final class Strings extends Object
| 构造器和说明 |
|---|
Strings() |
| 限定符和类型 | 方法和说明 |
|---|---|
static String |
capitalize(CharSequence s)
将字符串每个单词首字母大写
|
static String |
capitalize(CharSequence s,
String separator) |
static boolean |
endsWithChar(CharSequence s,
char c)
判断字符串是否以特殊字符结尾
|
static boolean |
equals(CharSequence s1,
CharSequence s2)
检查两个字符串是否相等.
|
static boolean |
equalsIgnoreCase(Object obj,
String str) |
static boolean |
equalsIgnoreCase(String s1,
String s2)
检查两个字符串的忽略大小写后是否相等.
|
static boolean |
isBlank(CharSequence cs) |
static boolean |
isEmpty(CharSequence... css) |
static boolean |
isEmpty(CharSequence cs) |
static boolean |
isNotBlank(CharSequence str) |
static boolean |
isNotEmpty(CharSequence... css) |
static boolean |
isNotEmpty(CharSequence cs) |
static String |
join(CharSequence... array)
连接字符串数组,
|
static <T> String |
join(Iterable<T> iterable,
String separator)
连接字符串数组,
|
static String |
join(Object[] array)
连接字符串数组,
|
static String |
join(Object[] array,
char separator)
连接字符串数组,
|
static String |
join(Object[] array,
char separator,
int startIndex,
int endIndex)
连接字符串数组,
|
static String |
join(Object[] array,
String separator)
连接字符串数组,
|
static String |
join(Object[] array,
String separator,
int startIndex,
int endIndex)
连接字符串数组,
|
static String |
join(String separator,
CharSequence... array)
连接字符串数组,
|
static String |
lowerFirst(CharSequence s)
将字符串首字母小写
|
static List<String> |
split(String regex,
CharSequence input) |
static boolean |
startsWithChar(CharSequence s,
char c)
判断字符串是否以特殊字符开头
|
static String |
trim(CharSequence cs)
去掉字符串前后空白
|
static String |
upperFirst(CharSequence s)
将字符串首字母大写
|
static String |
valueOf(Object o) |
static String |
valueOf(Object o,
String defaultVal) |
public static String join(CharSequence... array)
array - public static String join(String separator, CharSequence... array)
public static String join(Object[] array, String separator, int startIndex, int endIndex)
public static String join(Object[] array, char separator, int startIndex, int endIndex)
public static List<String> split(String regex, CharSequence input)
public static String capitalize(CharSequence s)
s - 字符串public static String capitalize(CharSequence s, String separator)
public static String lowerFirst(CharSequence s)
s - 字符串public static String upperFirst(CharSequence s)
s - public static boolean equalsIgnoreCase(String s1, String s2)
s1 - 字符串As2 - 字符串Bpublic static boolean equals(CharSequence s1, CharSequence s2)
s1 - 字符串As2 - 字符串Bpublic static boolean startsWithChar(CharSequence s, char c)
s - 字符串c - 特殊字符public static boolean endsWithChar(CharSequence s, char c)
s - 字符串c - 特殊字符public static boolean isEmpty(CharSequence... css)
public static boolean isEmpty(CharSequence cs)
cs - 字符串public static boolean isNotEmpty(CharSequence cs)
public static boolean isNotEmpty(CharSequence... css)
public static boolean isBlank(CharSequence cs)
cs - 字符串public static boolean isNotBlank(CharSequence str)
public static String trim(CharSequence cs)
cs - 字符串Copyright © 2022. All rights reserved.