程序包 com.getui.push.v2.sdk.common

类 Strings

java.lang.Object

com.getui.push.v2.sdk.common.Strings

public final class Strings
extends Object

Created by xiaoxu.yxx on 2014/6/23.

构造器概要

构造器

构造器	说明
Strings()

方法概要

修饰符和类型	方法	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 cs)
static boolean	isEmpty(CharSequence... css)
static boolean	isNotBlank(CharSequence str)
static boolean	isNotEmpty(CharSequence cs)
static boolean	isNotEmpty(CharSequence... css)
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)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

Strings

public Strings()

方法详细资料

join

public static String join(CharSequence... array)

连接字符串数组,

参数:

array -

返回:

join

public static String join(String separator,
                          CharSequence... array)

连接字符串数组,

返回:

join

public static String join(Object[] array)

连接字符串数组,

返回:

join

public static String join(Object[] array,
                          String separator)

连接字符串数组,

返回:

join

public static String join(Object[] array,
                          char separator)

连接字符串数组,

返回:

join

public static String join(Object[] array,
                          String separator,
                          int startIndex,
                          int endIndex)

连接字符串数组,

返回:

join

public static String join(Object[] array,
                          char separator,
                          int startIndex,
                          int endIndex)

连接字符串数组,

返回:

join

public static <T> String join(Iterable<T> iterable,
                              String separator)

连接字符串数组,

返回:

split

public static List<String> split(String regex,
                                 CharSequence input)

capitalize

public static String capitalize(CharSequence s)

将字符串每个单词首字母大写

参数:

s - 字符串

返回:

首字母大写后的新字符串

capitalize

public static String capitalize(CharSequence s,
                                String separator)

lowerFirst

public static String lowerFirst(CharSequence s)

将字符串首字母小写

参数:

s - 字符串

返回:

首字母小写后的新字符串

upperFirst

public static String upperFirst(CharSequence s)

将字符串首字母大写

参数:

s -

返回:

equalsIgnoreCase

public 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.

参数:

s1 - 字符串A

s2 - 字符串B

返回:

true 如果两个字符串忽略大小写后相等,且两个字符串均不为null

equalsIgnoreCase

public static boolean equalsIgnoreCase(Object obj,
                                       String str)

equals

public static boolean equals(CharSequence s1,
                             CharSequence s2)

检查两个字符串是否相等.

参数:

s1 - 字符串A

s2 - 字符串B

返回:

true 如果两个字符串相等,且两个字符串均不为null

startsWithChar

public static boolean startsWithChar(CharSequence s,
                                     char c)

判断字符串是否以特殊字符开头

参数:

s - 字符串

c - 特殊字符

返回:

是否以特殊字符开头

endsWithChar

public static boolean endsWithChar(CharSequence s,
                                   char c)

判断字符串是否以特殊字符结尾

参数:

s - 字符串

c - 特殊字符

返回:

是否以特殊字符结尾

isEmpty

public static boolean isEmpty(CharSequence... css)

isEmpty

public static boolean isEmpty(CharSequence cs)

参数:

cs - 字符串

返回:

是不是为空字符串

isNotEmpty

public static boolean isNotEmpty(CharSequence cs)

isNotEmpty

public static boolean isNotEmpty(CharSequence... css)

isBlank

public static boolean isBlank(CharSequence cs)

参数:

cs - 字符串

返回:

是不是为空白字符串

isNotBlank

public static boolean isNotBlank(CharSequence str)

trim

public static String trim(CharSequence cs)

去掉字符串前后空白

参数:

cs - 字符串

返回:

新字符串

valueOf

public static String valueOf(Object o,
                             String defaultVal)

valueOf

public static String valueOf(Object o)