leetcode-58. 마지막 단어 길이

제목 : https://leetcode-cn.com/problems/length-of-last-word/

대답:

 public int lengthOfLastWord (String s) {

    s = s.trim ();

         int index = s.lastIndexOf ( "");

         if (인덱스 <0) {

             return s.length ();

         }그밖에{

             return s.length ()-index-1;

         }

    }