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

int choice;

System.out.println("需要查看包含几门课程？（0：结束查看。）");

choice=console.nextInt();

while(choice!=0){

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

System.out.println("请输入第"+(i+1)+"门课程名字");

course ccr=new course();

String newName=console.next();

ccr.setName(newName);

containsList.add(ccr);

System.out.println("已输入"+ccr.getName());

}

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

System.out.println("还需要查看包含几门课程？（0：结束查看。）");

choice=console.nextInt();

}