Java第二季 答答租车系统

/**
 * 汽车父类
 * @author：凌_惜
 * @date：2016年11月4日 上午10:03:49
 */
public class Car {
    private String name; //名称
    private double price;  //租金
    private int capacity; //容量
    private double weight; //载重

    public Car() {

    }

    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;
    }

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

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public double getPrice() {
        return price;
    }

    public void setPrice(double price) {
        this.price = price;
    }

    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;
    }

}

/**
 * 奥迪
 * @author：凌_惜
 * @date：2016年11月4日 上午10:08:04
 */
public class Aodi extends Car {
    public Aodi(String name, double price, int capacity) {
        super(name, price, capacity);
    }   
}

/**
 * 马自达
 * @author：凌_惜
 * @date：2016年11月4日 上午10:10:24
 */
public class Mazida extends Car {
    public Mazida(String name, double price, int capacity) {
        super(name, price, capacity);
    }
}

/**
 * 皮卡雪
 * @author：凌_惜
 * @date：2016年11月4日 上午10:11:11
 */
public class Pikaxue extends Car {
    public Pikaxue(String name, double price, int capacity, double goods) {
        super(name, price, capacity, goods);
    }
}

/**
 * 金龙
 * @author：凌_惜
 * @date：2016年11月4日 上午10:11:55
 */
public class Jinlong extends Car {
    public Jinlong(String name, double price, int capacity) {
        super(name, price, capacity);
    }
}

/**
 * 松花江
 * @author：凌_惜
 * @date：2016年11月4日 上午10:17:50
 */
public class Songhuajiang extends Car {
    public Songhuajiang(String name, double price, double goods) {
        super(name, price, goods);
    }
}

/**
 * 依维柯
 * @author：凌_惜
 * @date：2016年11月4日 上午10:21:39
 */
public class Yiweike extends Car {
    public Yiweike(String name, double price, double goods) {
        super(name, price, goods);
    }
}

/**
 * 测试类
 * @author：凌_惜
 * @date：2016年11月4日 上午10:22:57
 */
public class CarTest {

    public static void main(String[] args) {
        Car a1 = new Aodi("奥迪A4",500,4);        
        Car a2 = new Mazida("马自达6",400,4);      
        Car a3 = new Pikaxue("皮卡雪6",450,4,2);
        Car a4 = new Jinlong("金龙",800,20);
        Car a5 = new Songhuajiang("松花江",400,4);
        Car a6 = new Yiweike("依维柯",1000,20);
        System.out.println("==========欢迎使用答答租车系统==========");
        System.out.println("您是否要租车：0.是  1.否");
        Scanner scan = new Scanner(System.in);
        int flag = scan.nextInt();
        if (flag == 1) {
            System.out.println("==========欢迎下次再来==========");
            return;
        }
        System.out.println("==========您可租车的类型及其价目表==========");
        System.out.println("序号\t汽车名称\t\t租金\t\t容量");
        System.out.println("1.\t"+a1.getName()+"\t\t"+a1.getPrice()+"元/天\t载人："+a1.getCapacity()+"人");
        System.out.println("2.\t"+a2.getName()+"\t\t"+a2.getPrice()+"元/天\t载人："+a2.getCapacity()+"人");
        System.out.println("3.\t"+a3.getName()+"\t\t"+a3.getPrice()+"元/天\t载人："+a3.getCapacity()+"人，载货："+a3.getWeight()+"吨");
        System.out.println("4.\t"+a4.getName()+"\t\t"+a4.getPrice()+"元/天\t载人："+a4.getCapacity()+"人");
        System.out.println("5.\t"+a5.getName()+"\t\t"+a5.getPrice()+"元/天\t载货："+a5.getWeight()+"吨");
        System.out.println("6.\t"+a6.getName()+"\t\t"+a6.getPrice()+"元/天\t载货："+a6.getWeight()+"吨");
        System.out.println("==========请输入您要租车的数量：===========");
        int flag2 = scan.nextInt();
        double totalPrice = 0; //总价格
        int totalCapacity = 0; //总容量
        double totalWeight = 0; //总载货量
        String[] arr = new String[6];
        for (int i = 1; i <= flag2; i++) {
            System.out.println("请输入第"+i+"辆车的序号：");
            int flag3 = scan.nextInt();
            switch (flag3) {
            case 1:
                totalPrice += a1.getPrice();
                totalCapacity += a1.getCapacity();
                arr[0] = a1.getName();
                break;
            case 2:
                totalPrice += a2.getPrice();
                totalCapacity += a2.getCapacity();
                arr[1] = a2.getName();
                break;
            case 3:
                totalPrice += a3.getPrice();
                totalCapacity += a3.getCapacity();
                totalWeight += a3.getWeight();
                arr[2] = a3.getName();
                break;
            case 4:
                totalPrice += a4.getPrice();
                totalCapacity += a4.getCapacity();
                arr[3] = a4.getName();
                break;
            case 5:
                totalPrice += a5.getPrice();
                totalWeight += a5.getWeight();
                arr[4] = a5.getName();
                break;
            case 6:
                totalPrice += a6.getPrice();
                totalWeight += a6.getWeight();
                arr[5] = a6.getName();
                break;
            }
        }
        System.out.println("==========请输入您要租车的天数：===========");
        int flag4 = scan.nextInt();
        totalPrice *= flag4;
        System.out.println("**********您的账单：**********");
        StringBuilder builder = new StringBuilder();
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] != null && i <= 3) {
                builder.append(arr[i] + "\t");
            }
        }
        if (builder.length() != 0) {
            System.out.println("可载人的车有：");
            System.out.println(builder + "共载人：" + totalCapacity + "人");
        }
        StringBuilder builder2 = new StringBuilder();
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] != null && (i == 2 || i > 3)) {
                builder2.append(arr[i] + "\t");
            }
        }
        if (builder2.length() != 0) {
            System.out.println("可载货的车有：");
            System.out.println(builder2 + "共载货：" + totalWeight + "吨");
        }   
        System.out.println("租车总价格为：" + totalPrice + "元");
        scan.close();
    }
}