System.out.print("请输入车型(1.轿车 2.客车)");
int car_type=input.nextInt();
switch (car_type) {
case 1:
System.out.print("请输入型号(别克商务舱GL8 ,宝马550i,别克林荫大道):");
String type=input.next();
Car car=new Car();
car.brand=brand;
car.no=no;
car.setType(type);
System.out.print("请输入租车的天数:");
int day=input.nextInt();
car.show(day);
break;
case 2:
System.out.print("请输入型号(<=16座 ,>16座):");
int seatCount=input.nextInt();
Bus bus=new Bus();
bus.brand=brand;
bus.no=no;
bus.setSeatCount(seatCount);
System.out.print("请输入租车的天数:");
int day1=input.nextInt();