Method to make first letter of a word capital

FirstLetterOfWordCapital.java

public String firstLetterCapitalWithSingleSpace(final String words) {
        return Stream.of(words.trim().split("\\s"))
                .filter(word -> word.length() > 0)
                .map(word -> word.substring(0, 1).toUpperCase() + word.substring(1))
                .collect(Collectors.joining(" "));
    }