importjava.util.Scanner;publicclassMiniDVD{Scannerinput=newScanner(System.in);DVDSoursedvd=newDVDSourse();/***用setData()中调用initial()方法*/publicvoidsetData(){dvd.initial();}/***定义主界面show();*/publicvoidMenu(){System.out.println("欢迎使用MiniDVDMgr1.0");System.out.println(&quo