434. Number of Segments in a String (Easy)
https://leetcode.com/problems/number-of-segments-in-a-string/
Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters.
Please note that the string does not contain any non-printable characters.
Example:
Input: "Hello, my name is John" Output: 5
Solutions
class Solution {
public int countSegments(String s) {
if (s == null || s.length() == 0) {
return 0;
}
int ans = 0;
boolean start = false;
for (int i = 0; i < s.length(); i++) {
if (!start && s.charAt(i) != ' ') {
ans++;
start = true;
continue;
}
if (s.charAt(i) == ' ') {
start = false;
}
}
return ans;
}
}