leetcode 434 Number of Segments in a String
z

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-printablecharacters.

Example:

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Input: "Hello, my name is John"
Output: 5

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class Solution {
public int countSegments(String s) {
int count = 0;
for (int i=0; i<s.length(); i++) {
if (s.charAt(i) != ' ' && (i==0 || s.charAt(i-1)==' ')) {
count ++;
}
}
return count;
}
}