java第二季作业——答答租车系统

java第二季答答租车系统作业，在参考了几位同学的作业后完成，还有待完善！

Car.java

package com.imooc;

public class Car {
    int id;
    String name;
    double price;
    int cargoCapacity;
    int personCapacity;

    public double getPrice(){
        return price;
    }

    public void getMessage(){
        System.out.println(id + "\t" + name + "\t" + price + "元/天 \t" + "载人：" + personCapacity + "人；   " + "载货：" + cargoCapacity + "吨 ");
    }
}

PersonCar.java

package com.imooc;

public class PersonCar extends Car {
    public PersonCar(int id,String name,double price,int personCapacity){
        this.id=id;
        this.name=name;
        this.price=price;
        this.personCapacity=personCapacity;
    }

    public int getPersonCapacity(){
        return personCapacity;  
    }
}

CargoCar.java

package com.imooc;

public class CargoCar extends Car {
    public CargoCar(int id,String name,double price,int cargoCapacity){
        this.id=id;
        this.name=name;
        this.price=price;
        this.cargoCapacity=cargoCapacity;
    }

    public int gerCargoCapacity(){
        return cargoCapacity;
    }

}

PickUp.java

package com.imooc;

public class PickUp extends Car {
    public PickUp(int id,String name,double price,int cargoCapacity,int personCapacity){
        this.id=id;
        this.name=name;
        this.price=price;
        this.cargoCapacity=cargoCapacity;
        this.personCapacity=personCapacity;
    }

    public int gerCargoCapacity(){
        return cargoCapacity;
    }

    public int gerPersonCapacity(){
        return personCapacity;
    }

}

CarRental.java

package com.imooc;
import java.util.Scanner;

public class CarRental {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Car car1 = new PersonCar(1,"奥迪A4",500.0,4);
        Car car2 = new PersonCar(2,"马自达6",400.0,4);
        Car car3 = new PickUp(3,"皮卡雪6",450.0,2,4);
        Car car4 = new PersonCar(4,"金龙",800.0,20);
        Car car5 = new CargoCar(5,"松花江",400,4);
        Car car6 = new CargoCar(6,"依维柯",1000,20);
        Car[] cars = {car1,car2,car3,car4,car5,car6};

        int personNum=0;
        int cargoNum=0;
        double priceNum=0;
        String cargoCarName="";
        String personCarName="";

        System.out.println("********欢迎使用答答租车系统********");
        System.out.println("您是否需要租车：1.是     0.否");

        Scanner input = new Scanner(System.in);
        int step = input.nextInt();

        switch(step){
        case 0:
            System.out.println("期待您下次使用答答租车系统！");
            break;

        case 1:
            System.out.println("您可租用的车辆类型及价格为：");
            System.out.println("序号\t汽车名称\t租金\t\t容量");
            for(int i=0;i<cars.length;i++){
                cars[i].getMessage();
            }
            System.out.println("请输入您需要租车的数量：");
            int rentNum=input.nextInt();

            for(int j=1;j<=rentNum;j++){
                System.out.println("请输入第"+j+"量车的序号");
                int id=input.nextInt();
                priceNum+=cars[id-1].getPrice();
                if(cars[id-1].personCapacity!=0){
                    personCarName+=cars[id-1].name;
                    personNum+=cars[id-1].personCapacity;
                }
                if(cars[id-1].cargoCapacity!=0){
                    cargoCarName+=cars[id-1].name;
                    cargoNum+=cars[id-1].cargoCapacity;
                }
            }
            System.out.println("请输入您要租车的天数：");
            int day=input.nextInt();
            System.out.println("您的账单：");
            System.out.println("可载人的车有："+personCarName);
            System.out.println("共载人："+personNum+"人");
            System.out.println("可载货的车有："+cargoCarName);
            System.out.println("共载货："+cargoNum+"吨");        
            System.out.println("租车总价格为："+priceNum*day+"元"); 
            break;

        default:
            System.out.println("您的输入不正确，请重新输入！");
        }

    }

}