答答租车系统项目~~~~~

import java.util.*;

//载客车的抽象父类
abstract class Zkc{
    public abstract int money(int days);
}

//奥迪A4载客车
class AudiA4 extends Zkc{
    String name = "奥迪A4";
    int price = 500;
    int p_number = 4;
    int money;
    public int money(int days){
        money = price*days;
        return money;
    }
}

//马自达6载客车
class MaZiDa6 extends Zkc{
    String name = "马自达6";
    int price = 400;
    int p_number = 4;
    int money;
    public int money(int days){
        money = price*days;
        return money;
    }
}

//金龙载客车
class JinLong extends Zkc{
    String name = "金龙";
    int price = 800;
    int p_number = 20;
    int money;
    public int money(int days){
        money = price*days;
        return money;
    }
}

//载货车的抽象父类
abstract class Zhc{
    public abstract int money(int days);
}

//松花江载货车
class SongHuaJiang extends Zhc{
    String name = "松花江";
    int price = 400;
    int c_number = 4;
    int money;
    public int money(int days){
        money = price*days;
        return money;
    }
}

//依维柯载货车
class YiWeiKe extends Zhc{
    String name = "依维柯";
    int price = 1000;
    int c_number = 20;
    int money;
    public int money(int days){
        money = price*days;
        return money;
    }
}

//皮卡车的抽象父类
abstract class Pkc{
    public abstract int money(int days);
}

//皮卡雪6皮卡车
class PiKaXue6 extends Pkc{
    String name = "皮卡雪6";
    int price = 450;
    int p_number = 4;
    int c_number = 2;
    int money;
    public int money(int days){
        money = price*days;
        return money;
    }
}

//答答租车系统
public class Ddzcxt{
    public static void main(String[] args){
        //通过父类引用调用所有车的对象

        //载客车
        AudiA4 audia4 = new AudiA4();//奥迪A4
        MaZiDa6 mazida6 = new MaZiDa6();//马自达6
        JinLong jinlong = new JinLong();//金龙

        //载货车
        SongHuaJiang songhuajiang = new SongHuaJiang();//松花江
        YiWeiKe yiweike = new YiWeiKe();//依维柯

        //皮卡车
        PiKaXue6 pikaxue6 = new PiKaXue6();

        //答答租车系统执行代码
        System.out.println("******欢迎使用答答租车系统******");
        System.out.println("您是否要租车：1.是 0.否（选否直接退出程序）");
        String shi_fou;//定义此变量用来接收用户的输入，用String类型防止用户胡乱输入
        Scanner sf = new Scanner(System.in);
        int count = 0;//用来记录用户输错的次数
        while(true){
            shi_fou = sf.next();//用户输入
            if(shi_fou.equals("1"))
                break;//用户输入1则退出循环
            else if(shi_fou.equals("0"))
                System.exit(0);//用户输入0则结束程序
            else{
                System.out.println("您输入的信息有误，请重新输入，输错3次将直接退出程序！");
                System.out.println("您是否要租车：1.是 0.否（选否直接退出程序）");
                count++;//输错的次数加1
            }
            if(count==3)
                System.exit(0);//用户输错3次退出程序
        }
        System.out.println("您可租车的类型及其价目表：");//价目信息表
        System.out.println("序号  汽车名称    租金    容量    ");
        System.out.println("1.      奥迪A4    500元/天  载人：4人");
        System.out.println("2.      马自达6    400元/天  载人：4人");
        System.out.println("3.      皮卡雪6    450元/天  载人：4人 载货：2吨");
        System.out.println("4.      金龙      800元/天  载人：20人");
        System.out.println("5.      松花江     400元/天  载货：4吨");
        System.out.println("6.      依维柯     1000元/天 载货：20吨");
        int carNumber;//租几辆车
        int xuhao;//车的序号
        int tianshu;//租车的天数
        int money = 0;//一辆车的钱
        int allmoney = 0;//总金额
        int zks = 0;//载客数
        int allzks = 0;//总载客数
        int zhs = 0;//载货数
        int allzhs = 0;//总载货数
        int zkcount = 0;//载客车数
        int zhcount = 0;//载货车数
        ArrayList<String> zkcar = new ArrayList<String>();//定义字符串数组用来存储选购的载人车名
        ArrayList<String> zhcar = new ArrayList<String>();//定义字符串数组用来存储选购的载客车名
        System.out.println("请输入您要租车的数量：");
        Scanner zc_number = new Scanner(System.in);
        carNumber = zc_number.nextInt();//用户输入租几辆车
        for(int i = 1;i<=carNumber;i++){
            System.out.println("请输入第"+i+"辆车的序号(注意，输入没有的序号程序将会退出)");
            Scanner xh = new Scanner(System.in);
            xuhao = xh.nextInt();//用户输入要租的车的序号
            System.out.println("请输入租车的天数：");
            Scanner ts = new Scanner(System.in);
            tianshu = ts.nextInt();//用户输入这车要租几天
            switch(xuhao){
                case 1:
                    money = audia4.money(tianshu);
                    allmoney = allmoney + money;
                    zkcar.add(audia4.name);
                    zks = audia4.p_number;
                    allzks = allzks + zks;
                    zkcount++;
                    break;
                case 2:
                    money = mazida6.money(tianshu);
                    allmoney = allmoney + money;
                    zkcar.add(mazida6.name);
                    zks = mazida6.p_number;
                    allzks = allzks + zks;
                    zkcount++;
                    break;
                case 3:
                    money = pikaxue6.money(tianshu);
                    allmoney = allmoney + money;
                    zkcar.add(pikaxue6.name);
                    zhcar.add(pikaxue6.name);
                    zks = pikaxue6.p_number;
                    allzks = allzks + zks;
                    zhs = pikaxue6.c_number;
                    allzhs = allzhs + zhs;
                    zkcount++;
                    zhcount++;
                    break;
                case 4:
                    money = jinlong.money(tianshu);
                    allmoney = allmoney + money;
                    zkcar.add(jinlong.name);
                    zks = jinlong.p_number;
                    allzks = allzks + zks;
                    zkcount++;
                    break;
                case 5:
                    money = songhuajiang.money(tianshu);
                    allmoney = allmoney + money;
                    zhcar.add(songhuajiang.name);
                    zhs = songhuajiang.c_number;
                    allzhs = allzhs + zhs;
                    zhcount++;
                    break;
                case 6:
                    money = yiweike.money(tianshu);
                    allmoney = allmoney + money;
                    zhcar.add(yiweike.name);
                    zhs = yiweike.c_number;
                    allzhs = allzhs + zhs;
                    zhcount++;
                    break;
                default:
                    System.exit(0);
            }
        }
        System.out.println("您的账单：");
        System.out.println("***可载人的车有：");
        for(int j = 0;j<zkcount;j++){
            System.out.print(zkcar.get(j)+"  ");
        }
        System.out.println("共载人："+allzks+"人");
        System.out.println("***载货的车有：");
        for(int z = 0;z<zhcount;z++){
            System.out.print(zhcar.get(z)+"  ");
        }
        System.out.println("共载货："+allzhs+"吨");
        System.out.println("***租车总价格："+allmoney+"元");

    }
}