import java.io.OutputStream;
import java.net.InetSocketAddress;
import com.sun.net.httpserver.HttpServer;

public class Application {
  public static void main(String[] args) throws Exception {
    int serverPort = 8084;

    // Create an HTTP server and bind it to the specified port
    HttpServer server = HttpServer.create(new InetSocketAddress(serverPort), 0);

    // Create a context for the "/api/hello" endpoint
    server.createContext("/api/hello", (exchange -> {
      String respText = "Hello world"; // The response text

      // Send the response headers (HTTP 200 OK, content length of the response)
      exchange.sendResponseHeaders(200, respText.getBytes().length);

      // Get the response body output stream and write the response to it
      OutputStream outputStream = exchange.getResponseBody();
      outputStream.write(respText.getBytes());
      outputStream.flush();

      // Close the exchange to finish the request
      exchange.close();
    }));

    server.setExecutor(null); // Use default executor
    server.start(); // Start the server
    System.out.println("Server started on port " + serverPort);
  }
}