434. Number of Segments in a String#1

Solution#1

public class Solution {    public int countSegments(String s) {        if (s == null || s == 0) return 0;        char[] c = s.toCharArray();        int i = 0;        int count = 0;        while (isSpace(c[i]))            i++;        //flag = 0代表前一个为空格        boolean flag = 1;        for (; i < c.length(); i++) {            if (!isSpace(c[i]) && flag == 0) {                count++;                flag = 1;                continue;            }            if ()        }    }    public boolean isSpace(char c) {        return c == ' ';    }}

Problem#1