practical quiz 8.dvd.java

CMU SSD3 课程完整答案（除EXAM）

/**
 * This interface declares the methods for obtaining DVD information.
 * 
 * @author Neil
 * @version 1.0.0
 */
public interface DVD {

	/**
	 * Returns the region code of the DVD.
	 * 
	 * @return Returns the region code of the DVD.
	 */
	int getRegionCode();

	/**
	 * Returns an array with the names of the audio tracks on the DVD.
	 * 
	 * @return Returns an array with the names of the audio tracks on the DVD.
	 */
	String[] getAudioTracks();

	/**
	 * Returns an array with the languages of the subtitles on the DVD.
	 * 
	 * @return Returns an array with the languages of the subtitles on the DVD.
	 */
	String[] getSubtitles();
}