Tutorial: what is an executor in Java

RunningTaskWithExecutor.java

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.concurrent.Executor;
import java.util.logging.Level;
import java.util.logging.Logger;

public class RunningTaskWithExecutor {
    private static final Logger logger = Logger.getLogger("App");

    public static void main(String[] args) {
        RunningTaskWithExecutor app = new RunningTaskWithExecutor();
        app.run();
    }

    private void run() {
        logger.info("Starting Application");

        BasicExecutor executor = new BasicExecutor();
        executor.execute(this::makeHttpRequest);
        executor.execute(this::makeHttpRequest);
        executor.execute(this::makeHttpRequest);

        logger.info("Finish Application");
    }

    private void makeHttpRequest() {
        try {
            URL urlToRequest = new URI("https://jsonplaceholder.typicode.com/todos/1").toURL();
            HttpURLConnection connection = (HttpURLConnection) urlToRequest.openConnection();
            connection.setRequestMethod("GET");

            int responseCode = connection.getResponseCode();
            logger.log(Level.INFO, "Response code: {0}", responseCode);
        } catch (URISyntaxException | IOException e) {
            logger.warning(e.getMessage());
        }
    }

    class BasicExecutor implements Executor {

        @Override
        public void execute(Runnable runnable) {
            new Thread(runnable).start();
        }

    }
}