详解java设计模式中的门面模式

public class SignalIn {
    //
}

 * 音频/视频信号输出
public class SignalOut {

 * 音频处理
public class AudioProcess {

 * 视频处理
public class VideoProcess {

public interface Television {
    
    public void powerSwitch();

     * 切换频道
    public void channelSwitch();

     * 调节音量
    public void volumeAdjust();

}

public class TCLTelevision implements Television{
    private SignalIn in;
    private AudioProcess audioProcess;
    private VideoProcess videoProcess;
    private SignalOut out;
    @Override
    public void powerSwitch() {
    }
    public void channelSwitch() {
    public void volumeAdjust() {
}