第14天

发布时间 2023-07-15 11:44:22作者: 七安。

一、卖飞机票

 

package com.lianxi.www;

import java.util.Scanner;

public class 找飞机票 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入机票的原价");
        int ticket = sc.nextInt();
        System.out.println("请输入当前月份");
        int month = sc.nextInt();
        System.out.println("请输入0或1 其中0代表头等舱,1代表经济舱");
        int zuo = sc.nextInt();
        if (month >= 5 && month <= 10) {
            if (zuo == 0) {
                ticket = (int) (ticket * 0.9);
            } else {
                ticket = (int) (ticket * 0.85);
            }
        } else if ((month >= 1 && month <= 5) || (month >= 11 && month <= 12)) {
            if (zuo == 0) {
                ticket = (int) (ticket * 0.7);
            } else {
                ticket = (int) (ticket * 0.65);
            }
        }
        System.out.println("机票价格为:" + ticket + "元");
    }
}

 我们可以使用方法来重载函数进行优化代码。

package com.lianxi.www;

import java.util.Scanner;

public class 找飞机票 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入机票的原价");
        int ticket = sc.nextInt();
        System.out.println("请输入当前月份");
        int month = sc.nextInt();
        System.out.println("请输入0或1 其中0代表头等舱,1代表经济舱");
        int zuo = sc.nextInt();
        if (month >= 5 && month <= 10) {
            ticket = getPrice(ticket, zuo, 0.9, 0.85);
        } else if ((month >= 1 && month <= 5) || (month >= 11 && month <= 12)) {
            ticket = getPrice(ticket, zuo, 0.7, 0.65);
        } else {
            System.out.println("您输入的月份数据不合法");
        }
        System.out.println("机票价格为:" + ticket + "元");
    }

    public static int getPrice(int ticket, int zuo, double v1, double v2) {
        if (zuo == 0) {
            ticket = (int) (ticket * v1);
        } else {
            ticket = (int) (ticket * v2);
        }
        return ticket;
    }
}