cn.jdevelops.util.interceptor.util

类 StrUtil

java.lang.Object

cn.jdevelops.util.interceptor.util.StrUtil

public class StrUtil
extends Object

作者

tan

构造器概要

构造器

构造器和说明
StrUtil()

方法概要

限定符和类型	方法和说明
static boolean	isBlank(CharSequence cs) Checks if a CharSequence is empty (""), null or whitespace only.
static boolean	isNotBlank(CharSequence cs) Checks if a CharSequence is not empty (""), not null and not whitespace only.
static boolean	isNull(CharSequence cs) 空
static boolean	isNull(StringBuilder sb) 空
static int	length(CharSequence cs)

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

StrUtil

public StrUtil()

方法详细资料

isNull

public static boolean isNull(StringBuilder sb)

空

isNull

public static boolean isNull(CharSequence cs)

空

length

public static int length(CharSequence cs)

isNotBlank

public static boolean isNotBlank(CharSequence cs)

Checks if a CharSequence is not empty (""), not null and not whitespace only.

 StringUtils.isNotBlank(null)      = false
 StringUtils.isNotBlank("")        = false
 StringUtils.isNotBlank(" ")       = false
 StringUtils.isNotBlank("bob")     = true
 StringUtils.isNotBlank("  bob  ") = true
 

not empty and not null and not whitespace only

isBlank

public static boolean isBlank(CharSequence cs)

Checks if a CharSequence is empty (""), null or whitespace only.

 StringUtils.isBlank(null)      = true
 StringUtils.isBlank("")        = true
 StringUtils.isBlank(" ")       = true
 StringUtils.isBlank("bob")     = false
 StringUtils.isBlank("  bob  ") = false