Number of Segments in a String
给一个字符串, 问有几个组成.
public class Solution {
public int countSegments(String s) {
int res = 0;
for(int i = 0 ; i < s.length(); i++) {
if(s.charAt(i) != ' ' && (i == 0 || s.charAt(i-1) == ' '))
res++;
}
return res;
}
}