Java - extraer palabra de una frase

String frase = "hola \"que\" tal \"estas\" ?";

String[] ws = frase.split(" ");

for (String w : ws) {

    if (w.contains("\"")) {

        System.out.println(w);

    }

}

String frase = "hola \"que\" tal \"estas\" ?";

List<String> comillas = Arrays.asList(frase.split(" "))

        .stream()

        .filter(w -> w.contains("\""))

        .collect(Collectors.toList());

System.out.println(comillas);