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 | package com.demo.s58;
 
 
 
 
 
 
 
 
 
 
 public class Solution {
 public int lengthOfLastWord(String s) {
 int end = s.length() - 1;
 while(end >= 0 && s.charAt(end) == ' ') end--;
 if(end < 0) return 0;
 int start = end;
 while(start >= 0 && s.charAt(start) != ' ') start--;
 return end - start;
 }
 }
 
 |