1592. Rearrange Spaces Between Words #

class Solution {
    public String reorderSpaces(String text) {
        int numLetters = 0;
        
        List<String> words = new LinkedList<>();
        String word = "";
        for (int i = 0; i < text.length(); i++) {
            if (Character.isLetter(text.charAt(i))) word += text.charAt(i);
            else if (word.equals("") == false) {
                numLetters = word.length();
                words.add(word);
                word = "";
            }
        }
        if (word.equals("") == false) {
            numLetters += word.length();
            words.add(word);
        }
        
        if (words.size() == 1) {
            return words.get(0) + " ".repeat(text.length() - numLetters);
        }
        
        String ans = "";
        for (int i = 0; i < words.size(); i++) {
            ans += words.get(i);
            ans += i < words.size() - 1 ? " ".repeat((text.length() - numLetters) / (words.size() - 1)) : " ".repeat((text.length() - numLetters) % (words.size() - 1));
        }
        
        return ans;
    }
}