java中字符串操作方法整理
一.字符串分割
1.利用字符串类的split方法进行分割
/***/
/**利用字符串的split方法进行分割
*@paramstr待分割的字符串
*@paramsdelimiter分割符
*@return
*/
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public
String[]splitString(Stringstr,Stringsdelimiter)
...
{
String[]array=str.split(sdelimiter);
returnarray;
}
2.利用StringTokenizer来进行字符串分割
/***/
/**利用StringTokenizer来进行字符串分割
*@paramstr待分割的字符串
*@paramsdelimiter分割符
*@return
*/
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public
String[]useStringTokenizer(Stringstr,Stringsdelimiter)
...
{
StringTokenizertoken=newStringTokenizer(str,sdelimiter);
String[]array=newString[token.countTokens()];
inti=0;
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while(token.hasMoreTokens())...{
array[i]=token.nextToken();
i++;
}
returnarray;
}
二.字符串数组排序
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删除一个字符串中重复的元素,比较两个字符串数组 中不同的元素等可以参看本人另一篇文章:
使用Hashtable对字符串进行碰撞
使用Hashtable对字符串进行碰撞