java 第二季简化租车系统

package com.company.imooc;
/**
 * Created by junius on 2016/11/8.
 */
public class Audi extends Car {
    public Audi() {
    }
    public Audi(String name, double price, int capacity) {
        super(name, price, capacity);
    }
}

package com.company.imooc;

/**
 * Created by junius on 2016/11/8.
 */
public class Car {
    public String name;
    public double price;
    private int capacity;
    private double weight;

    public int getCapacity() {
        return capacity;
    }

    public void setCapacity(int capacity) {
        this.capacity = capacity;
    }

    public double getWeight() {
        return weight;
    }

    public void setWeight(double weight) {
        this.weight = weight;
    }

    public Car() {
    }

    public Car(String name, double price, int capacity, double weight) {
        this.name = name;
        this.price = price;
        this.capacity = capacity;
        this.weight = weight;
    }

    public Car(String name, double price, int capacity) {
        this.name = name;
        this.price = price;
        this.capacity = capacity;
    }

    public Car(String name, double price, double weight) {
        this.name = name;
        this.price = price;
        this.weight = weight;
    }
}

package com.company.imooc;

/**
 * Created by junius on 2016/11/8.
 */
public class Jinglong extends Car {
    public Jinglong() {
    }

    public Jinglong(String name, double price, int capacity) {
        super(name, price, capacity);
    }
}

package com.company.imooc;

/**
 * Created by junius on 2016/11/8.
 */
public class Mazda extends Car{
    public Mazda() {
    }

    public Mazda(String name, double price, int capacity) {
        super(name, price, capacity);
    }
}

package com.company.imooc;

/**
 * Created by junius on 2016/11/8.
 */
public class Pickup extends Car {
    public Pickup() {
    }

    public Pickup(String name, double price, int capacity, double weight) {
        super(name, price, capacity, weight);
    }
}

package com.company.imooc;

/**
 * Created by junius on 2016/11/8.
 */
public class Songhuajiang extends Car {
    public Songhuajiang() {
    }

    public Songhuajiang(String name, double price, double weight) {
        super(name, price, weight);
    }
}

package com.company.imooc;
/**
 * Created by junius on 2016/11/8.
 */
public class Yiweik extends Car {
    public Yiweik() {
    }

    public Yiweik(String name, double price, double weight) {
        super(name, price, weight);
    }
}

import com.company.imooc.*;
import java.util.Scanner;
public class TestDemo {
    public static void main(String[] args){
        pickBAuto();
    }

    private static void pickBAuto() {
        Car c1 = new Audi("Audi A4", 500, 4);
        Car c2 = new Mazda("Mazda-6", 400, 4);
        Car c3 = new Pickup("Pickup", 450, 4, 2);
        Car c4 = new Jinglong("金龙", 800, 20);
        Car c5 = new Songhuajiang("松花江", 400, 4);
        Car c6 = new Yiweik("依维柯", 1000, 20);

        System.out.println("=====>欢迎使用哒哒租车系统<=====");
        System.out.println("您是否要租车：1-是 0-否");
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        if (0 == x) {
            System.out.println("欢迎下次使用！");
            return;
        }
        System.out.println("您可租车的类型及其价目表：");
        System.out.println("序号\t车型\t\t租金\t\t容量");
        System.out.println("1.\t" + c1.name + "\t\t" + c1.price + "元/天\t\t载人：" + c1.getCapacity() + "人");
        System.out.println("2.\t" + c2.name + "\t\t" + c2.price + "元/天\t\t载人：" + c2.getCapacity() + "人");
        System.out.println("3.\t" + c3.name + "\t\t" + c3.price + "元/天\t\t载人：" + c3.getCapacity() + "人,载货" + c3.getWeight() + "吨");
        System.out.println("4.\t" + c4.name + "\t\t" + c4.price + "元/天\t\t载人：" + c4.getCapacity() + "人");
        System.out.println("5.\t" + c5.name + "\t\t" + c5.price + "元/天\t\t载货：" + c5.getWeight() + "吨");
        System.out.println("6.\t" + c6.name + "\t\t" + c6.price + "元/天\t\t载货：" + c6.getWeight() + "吨");

        System.out.println("请输入您要租汽车数量：");
        Scanner sc2 = new Scanner(System.in);
        int y = sc2.nextInt();

        double totalPrice = 0;
        int sumCapacity = 0;
        int sumWeight = 0;

        StringBuilder str1 = new StringBuilder();
        StringBuilder str2 = new StringBuilder();

        for (int i = 1; i < y + 1; i++) {
            System.out.println("请输入第 " + i + " 辆车的序号");
            Scanner sc3 = new Scanner(System.in);
            int z = sc3.nextInt();
            switch (z) {
                case 1:
                    totalPrice = totalPrice + c1.price;
                    sumCapacity = sumCapacity + c1.getCapacity();
                    str1.append(c1.name+'\t');
                    break;
                case 2:
                    totalPrice = totalPrice + c2.price;
                    sumCapacity = sumCapacity + c2.getCapacity();
                    str1.append(c2.name+'\t');;
                    break;
                case 3:
                    totalPrice += c3.price;
                    sumCapacity += c3.getCapacity();
                    sumWeight += c3.getWeight();
                    str1.append(c3.name+'\t');;
                    str2.append(c3.name+'\t');;
                    break;
                case 4:
                    totalPrice += c4.price;
                    sumCapacity += c4.getCapacity();
                    str1.append(c4.name+'\t');;
                    break;
                case 5:
                    totalPrice += c5.price;
                    sumWeight += c5.getWeight();
                    str2.append(c5.name+'\t');;
                    break;
                case 6:
                    totalPrice += c6.price;
                    sumWeight += c6.getWeight();
                    str2.append(c6.name+'\t');;
                    break;
            }

        }

        System.out.println("请输入租车天数：");
        Scanner sc4 = new Scanner(System.in);
        int days = sc4.nextInt();

        totalPrice *= days;

        System.out.println("您的账单：");
        if(0==sumWeight){
            if(0!=sumCapacity){
                System.out.print(str1.toString());
                System.out.println("可载人："+sumCapacity+" 人");
            }
        }else {
            if(0!=sumCapacity){
                System.out.print(str1.toString());
                System.out.println("可载人："+sumCapacity+" 人");
            }
            System.out.print(str2.toString());
            System.out.println("可载货："+sumWeight+" 吨");
        }
        System.out.println("总计:" + totalPrice+" 元");
    }
}