小白笔记----------------leetcode 58. Length of Last Word

public class Solution {
public int lengthOfLastWord(String s) {
char[] a = s.toCharArray();
int count = 0;
for(int i = a.length-1 ; i > -1;i--){
if(a[i] != ' '){
count++;
if(i > 1){
if(a[i-1] == ' '){
break;
}
}
}

}
return count;
}
}