public class StringUtil extends Object
字符串工具类
StringUtil()
String
appendIfNotContain(String str, String appendStr, String otherwise)
str
appendStr
otherwise
boolean
isEmpty(String str)
isNotEmpty(String str)
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public StringUtil()
public boolean isEmpty(String str)
public boolean isNotEmpty(String str)
public String appendIfNotContain(String str, String appendStr, String otherwise)