public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("Enter your text: ");
String text = scanner.nextLine();
List<String> hashtagList = new ArrayList<>();
Pattern pattern = Pattern.compile("#[A-Za-z0-9]+");
Matcher matcher = pattern.matcher(text);
while(matcher.find()){
hashtagList.add(text.substring(matcher.start(),matcher.end()));
}
System.out.println("Hashtags encountered : ");
for(String hashtag : hashtagList){
System.out.print(hashtag+", ");
}
}
Proposta bem legal
Conte com o apoio da comunidade Alura na sua jornada. Abracos e bons estudos!