题解 | #最长公共前缀#

import java.util.*;


public class Solution {
    /**
     * 
     * @param strs string字符串一维数组 
     * @return string字符串
     */
    public String longestCommonPrefix (String[] strs) {
        // write code here
        if(strs.length == 0){
            return "";
        }
        int maxLength = 0;
        for(int i = 0;i<strs[0].length();i++){
            char temp = strs[0].charAt(i);
            int j = 1;
            for(;j<strs.length&&i<strs[j].length();j++){
                if(strs[j].charAt(i) != temp){
                    break;
                }
            }
            if(j == strs.length){
                maxLength++;
            }else{
                break;
            }
        }
        return strs[0].substring(0,maxLength);
    }
}