package normal;

/**
 * @program JavaBooks
 * @description: 28. 实现 strStr()
 * @author: mf
 * @create: 2019/11/09 18:15
 */

/*
题目：https://leetcode-cn.com/problems/implement-strstr/
难度：easy
 */

public class StrStr {
    public static void main(String[] args) {
        String haystack = "aaa";
        String needle = "aaaa";
        System.out.println(strStr(haystack, needle));

    }
    public static int strStr(String haystack, String needle) {
        if (needle.equals("")) return 0;
        char[] sChar