프로그래머스: JadenCase 문자열 만들기

import java.util.*;

class Solution {
    public String solution(String s) {
        String answer = "";
        String[] words = s.toLowerCase().split("");
        boolean flag = true;

        for(String str : words) {
            answer += flag ? str.toUpperCase() : str;
            flag = str.equals(" ") ? true : false; 
        }
        
        return answer;
    }
    public static void main(String[] args) {
        String s = "3people unFollowed me";

        Solution sol = new Solution();
        
        String result = sol.solution(s);
        
        System.out.println(result);
    }
}