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题目：
Implement strStr().
Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack
public class Solution { public int strStr(String haystack, String needle) { for(int i = 0; i <= haystack.length()-needle.length();i++) { int j; for(j = 0 ; j < needle.length();j++) { if(haystack.charAt(i+j) != needle.charAt(j)) break; } if(j == needle.length()) return i; } // return haystack.indexOf(needle); return -1; } }
leetcode 28. Implement strStr()
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原文地址：http://www.cnblogs.com/zyqBlog/p/5978016.html
