购买飞机票demo

package air;

import java.util.Scanner;

public class Test1 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("输入机票原价");
        double price =sc.nextDouble();
        System.out.println("请输入月份");
        int month =sc.nextInt();
        System.out.println("仓位类型：");
        String type =sc.next();
        double rs =calc(price,month,type);
        System.out.println("你当前的购买价格是"+rs);
    }
    public static double calc(double money,int month,String type){
        if(month>=5&&month<=10){
            switch(type){
                case "经济舱":
                    money *=0.85;
                    break;
                case "头等舱":
                    money *=0.9;
                    break;
                default:
                    System.out.println("输入的仓位不正确");
                            money =-1;
            }
        }else if(month == 11&&month==12||month>=1&&month<=4){
            switch (type){
                case "经济舱":
                     money *=0.65;
                     break;
                case "头等舱":
                    money *=0.7;
                    break;
                default:
                    System.out.println("你输入的仓位不正确");
                    money =-1;
            }
        }else {
            System.out.println("月份有问题");
            money = -1;
        }
        return money;
    }
}