public abstract class Movie implements MoviePlayable {
    private String title;
    private int year;
    private double rating;
    private String genre;

    public Movie(String title, int year, double rating, String genre) {
        this.title = title;
        this.year = year;
        this.rating = rating;
        this.genre = genre;
    }

    // 接口方法，留给子类实现
    @Override
    public abstract void play();

    // getter
    public String getTitle() { return title; }
    public int getYear() { return year; }
    public double getRating() { return rating; }
    public String getGenre() { return genre; }
}