网易云课堂Java高级架构师第7期
class Discount95Strategy extends DiscountStrategy {
@Override
public int discount(int price, User user) {
return (int) (price * 0.95);
}}class VipDiscountStrategy extends DiscountStrategy {
@Override
public int discount(int price, User user) {
if (user.isVip()) {
return (int) (price * 0.85);
}
return (int) (price * 0.95);
}
