如何在vlcj上暂停和播放视频？

import uk.co.caprica.vlcj.player.MediaPlayer;
import uk.co.caprica.vlcj.player.MediaPlayerFactory;
import uk.co.caprica.vlcj.player.embedded.EmbeddedMediaPlayer;

MediaPlayerFactory mediaPlayerFactory = new MediaPlayerFactory();
EmbeddedMediaPlayer mediaPlayer = mediaPlayerFactory.newEmbeddedMediaPlayer();

String videoPath = "path/to/video/file.mp4";
mediaPlayer.playMedia(videoPath);

mediaPlayer.pause();

mediaPlayer.play();

import uk.co.caprica.vlcj.player.MediaPlayer;
import uk.co.caprica.vlcj.player.MediaPlayerFactory;
import uk.co.caprica.vlcj.player.embedded.EmbeddedMediaPlayer;

public class VideoPlayer {
    public static void main(String[] args) {
        MediaPlayerFactory mediaPlayerFactory = new MediaPlayerFactory();
        EmbeddedMediaPlayer mediaPlayer = mediaPlayerFactory.newEmbeddedMediaPlayer();

        String videoPath = "path/to/video/file.mp4";
        mediaPlayer.playMedia(videoPath);

        // 暂停视频
        mediaPlayer.pause();

        // 恢复播放视频
        mediaPlayer.play();
    }
}