!7

p {
  for (Webcam webcam : listWebCams())
    print("Webcam detected: " + webcam.getName());

  Webcam.addDiscoveryListener(new WebcamDiscoveryListener {
    public void webcamFound(WebcamDiscoveryEvent event) {
      System.out.format("Webcam connected: %s \n", event.getWebcam().getName());
    }
    
    public void webcamGone(WebcamDiscoveryEvent event) {
      System.out.format("Webcam disconnected: %s \n", event.getWebcam().getName());
    }
  });

  print("\nPlease connect additional webcams, or disconnect already connected ones. Listening for events...");
}

Began life as a copy of #1008996