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package cn.edu.xidian.sselab.string;
/**
*
* @author zhiyong wang
* title: Implement strStr()
* content:
* Implement strStr().
*
* Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.
*
*/
public class ImplementStrStr {
//这个题非常简单,就是一个求索引下标的题目,会用indexOf即可
public int strStr(String haystack, String needle){
if(haystack == null || needle == null) return -1;
return haystack.indexOf(needle);
}
}
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原文地址:http://www.cnblogs.com/wzyxidian/p/5218541.html