LeetCode 014 Longest Common Prefix

题目描述

代码

[code]    public static String longestCommonPrefix(String[] strs) {

        if (strs == null || strs.length == 0) {
            return "";
        }

        if (strs.length == 1) {
            return strs[0];
        }

        String string = strs[0];

        for (int i = 0; i < string.length(); i++) {
            for (int j = 1; j < strs.length; j++) {
                if (!(i < strs[j].length() && string.charAt(i) == strs[j]
                        .charAt(i))) {
                    return string.substring(0, i);
                }
            }
        }

        return string;
    }