List<course> containsList=new ArrayList<course>();

int choice;

System.out.println("需要查看包含幾門課程？（0：結(jié)束查看。）");

choice=console.nextInt();

while(choice!=0){

for(int i=0;i<choice;i++){

System.out.println("請輸入第"+(i+1)+"門課程名字");

course ccr=new course();

String newName=console.next();

ccr.setName(newName);

containsList.add(ccr);

System.out.println("已輸入"+ccr.getName());

}

System.out.println("包含全部？"+coursesToSelect.containsAll(containsList));

System.out.println("還需要查看包含幾門課程？（0：結(jié)束查看。）");

choice=console.nextInt();

}