package string;

import java.util.List;

import java.util.regex.Pattern;

import static java.util.stream.Collectors.toSet;

public class Question34 {

public static void main(String[] args) {

var word = "HELLO, HOW ARE YOu";

var vowels = List.of("A", "E", "I", "O", "U");

//Print the count of vowels

//Stream.of(word.split(""))

System.out.println(Pattern.compile("").splitAsStream(word)

.map(String::toUpperCase).filter(vowels::contains).collect(toSet()));

for (String letter : word.split("")) {

if (vowels.contains(letter.toUpperCase())) {

System.out.print(letter);

}

}

}

}