public class Solution {
    public String capitalizeWords(String text) {
        String[] words = text.split(" ");
        for (int i = 0; i < words.length; i++) {
            char firstLetter = Character.toUpperCase(words[i].charAt(0));
            String rest = words[i].substring(1);
            words[i] = firstLetter + rest;
        }
        return String.join(" ", words);
    }
}