history.java

public static void main(String[] args){

JokeSource source = new APIJokeSource();
JokeHistory history_provider = new FileHistoryProvider();
Set<JokeId> history = history_provider.load()
  
List<NorrisJoke> unique_jokes = new ArrayList<>();
while(unique_jokes.size() < 10){
    List<NorrisJoke> jokes = source.getJokes(10);
    for(joke: jokes){
      if(!history.contains(JokeId(joke.id))){
         unique_jokes.append(joke);
         history.add(JokeId(joke.id)));
      }
    }
}
history_provider.save(history);  
// tutaj będzie drukowanie wyników na konsolę
  sys.out.println()
  
}