import java.util.Scanner;
public class Main {



    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入飞机的票价：");
        int price=sc.nextInt();
        System.out.println("请输入月份：");
        int month=sc.nextInt();
        System.out.println("请输入飞机类型(0:经济舱/1:头等舱)：");
        int kind=sc.nextInt();

        //判断月份(5-10)
        if(5<=month&&month<=10){
           getPrice(price,kind,0.85,0.9);
        }else {
            //淡季 11-4
            getPrice(price,kind,0.65,0.8);
        }

    }


    //写一个方法计算票价
    public static void getPrice(int price, int kind, double v0, double v1){
//v0表示经济舱 v1表示头等舱
        double sum=0;
        if(kind==1){  //1表示头等舱
            sum=price*v1;
        }else {
            sum=price*v0;

        }

        System.out.println("当前票价为："+sum);
    }
    }

运行结果为：