Basic Jarvis-like AI

import java.util.Scanner;

public class Jarvis {

    private SpeechRecognizer speechRecognizer;
    private TextToSpeech textToSpeech;
    private NaturalLanguageProcessor nlp;
    private KnowledgeBase knowledgeBase;

    public Jarvis(SpeechRecognizer speechRecognizer, TextToSpeech textToSpeech, NaturalLanguageProcessor nlp, KnowledgeBase knowledgeBase) {
        this.speechRecognizer = speechRecognizer;
        this.textToSpeech = textToSpeech;
        this.nlp = nlp;
        this.knowledgeBase = knowledgeBase;
    }

    public void listenAndRespond() {
        String userInput = speechRecognizer.recognizeSpeech();
        String response = nlp.processInput(userInput, knowledgeBase);
        textToSpeech.speak(response);
    }

    public static void main(String[] args) {
        SpeechRecognizer speechRecognizer = new GoogleCloudSpeechRecognizer();
        TextToSpeech textToSpeech = new GoogleCloudTextToSpeech();
        NaturalLanguageProcessor nlp = new OpenNLPProcessor();
        KnowledgeBase knowledgeBase = new WikidataKnowledgeBase();

        Jarvis jarvis = new Jarvis(speechRecognizer, textToSpeech, nlp, knowledgeBase);

        jarvis.listenAndRespond();
    }
}