[LeetCode] Problem 434 - Number of Segments in a String

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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

Code

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public int countSegments(String s) {
    int result = 0;

    for (int i = 0; i < s.length(); i++) {
        if (s.charAt(i) != ' ' && (i == 0 || s.charAt(i - 1) == ' '))
            result++;
    }

    return result;
}