Java入门第二季项目实战---答答租车系统

package imooc;
import java.util.Scanner;
public class Car {
static Scanner input=new Scanner(System.in);
static carType[] car=new carType[6]; //carType数组存放各种车辆的信息
public static void main(String[] args) {

    car[0]=new carPerson(1,"奥迪A4",500,4);
    car[1] =new carPerson(2,"马自达6",400,4);
    car[2] =new carPG(3,"皮卡雪6",450,4,2);
    car[3] =new carPerson(4,"金龙",800,20);
    car[4] =new carGood(5,"松花江",400,4);
    car[5] =new carGood(6,"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:1->是     2->否");
    int choice=input.nextInt();
    System.out.println();
    switch(choice)
    {
    case 1:show();break;
    case 2:return;
    default:System.out.println("输入有误!");
    }
}
    public static void show()
    {
        int i=0;
        int[] carid=new int[6];     //carid数组记录需租车辆的车序号
        int price=0;                //price记录租金
        System.out.println("您可租车的类型及其价目表:");
        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");
        System.out.print("请输入您要租车的数量:");
        int num=input.nextInt();
        while(i<num)
        {
            System.out.print("请输入第"+(i+1)+"辆车的序号:");
            carid[i]=input.nextInt();
            price+=car[carid[i++]-1].Rent;      //计算租金
        }
        System.out.print("请输入租车天数:");
        int day=input.nextInt();                //day记录所租的天数
        System.out.println("**********");
        System.out.println("您的账单");

        System.out.print("可载人的车有:");
        for(int j=0;j<num;j++)
            if(car[carid[j]-1].Id<5)
                System.out.print(car[carid[j]-1].Name+"\t");
        System.out.println();

        System.out.print("可载货的车有:");
        for(int k=0;k<num;k++)
        {
            if(car[carid[k]-1].Id>4 || car[carid[k]-1].Id==3)
                System.out.print(car[carid[k]-1].Name+"\t");
        }
        System.out.println();

        System.out.println("租车总价格为:"+price*day);
    }

}

class carType //父类车辆
{
int Id; //车序号
String Name; //车名
int Rent; //租金
int PersonCapacity; //载人容量
int GoodCapacity; //载货容量
}

class carPerson extends carType //子类载人车辆
{
public carPerson(int id,String name,int rent,int personCapacity)
{
this.Id=id;
this.Name=name;
this.Rent=rent;
this.PersonCapacity=personCapacity;
}
}

class carGood extends carType //子类载货车辆
{
public carGood(int id,String name,int rent,int GoodCapacity)
{
this.Id=id;
this.Name=name;
this.Rent=rent;
this.GoodCapacity=GoodCapacity;
}
}

class carPG extends carType //子类载人并载货车辆
{
public carPG(int id,String name,int rent,int personCapacity,int GoodCapacity)
{
this.Id=id;
this.Name=name;
this.Rent=rent;
this.PersonCapacity=personCapacity;
this.GoodCapacity=GoodCapacity;
}
}