达达租车系统菜鸟版没有用抽象类借口等方法

父类
public class Car {
private int price;//价格
private int sum;//载人
private int again;//载物
private String name;
private int id;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
public int getSum() {
return sum;
}
public void setSum(int sum) {
this.sum = sum;
}
public int getAgain() {
return again;
}
public void setAgain(int again) {
this.again = again;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}

}
子类1
public class Bus extends Car {
public Bus(int newId ,int newPrice,int newSum,int newAgain,String newName)
{
this.setAgain(newAgain);
this.setId(newId);
this.setName(newName);
this.setPrice(newPrice);
this.setSum(newSum);
}

}
子类2
public class Pick extends Car {
public Pick(int newId,int newPrice,int newSum,int newAgain,String newName)

{
    this.setId(newId);
    this.setAgain(newAgain);
    this.setName(newName);
    this.setPrice(newPrice);
    this.setSum(newSum);

}

}
子类3
public class Trcuk extends Car {
public Trcuk(int newId,int newPrice,int newSum,int newAgain,String newName )
{
this.setSum(newSum);
this.setId(newId);
this.setAgain(newAgain);
this.setName(newName);
this.setPrice(newPrice);
}

}
测试类
import java.util.Scanner;

public class Test {

public static void main(String[] args) {
    System.out.println("*********欢迎使用达达租车系统**********");
    System.out.println("是否进行选车     1:是    2:否");

    // TODO Auto-generated method stub
    Scanner input =new Scanner(System.in);
    int inputNum=input.nextInt();
    if(inputNum==1)
    {
        System.out.println("********以下是租车的类型和价格*******");
        System.out.println("汽车ID"+"\t"+"汽车价格"+"\t"+"载人量"+"\t"+"载物量"+"\t"+"汽车名称");
        Car[] carMassage ={new Bus(1,500,5,0,"奥迪A4"),new Bus(2,1000,20,0,"马自达"),new Bus(3,8000,45,0,"金龙客车"),new Trcuk(4,5000,0,1000,"松花江"),new Trcuk(5,200000,0,1000,"重型运货舱"),new Pick(6,5,20,3000,"皮卡秋")};
        for(Car i:carMassage)
        {
            if(i instanceof Bus)
            {
                System.out.println(i.getId()+"\t"+i.getPrice()+"\t"+i.getSum()+"\t"+i.getAgain()+"\t"+i.getName());

            }
            if(i instanceof Trcuk )
            {
                System.out.println(i.getId()+"\t"+i.getPrice()+"\t"+i.getSum()+"\t"+i.getAgain()+"\t"+i.getName());
            }
            if(i instanceof Pick)
            {
                System.out.println(i.getId()+"\t"+i.getPrice()+"\t"+i.getSum()+"\t"+i.getAgain()+"\t"+i.getName());
            }
        }
        System.out.println("你要选择几辆车");
        int number=input.nextInt();
        int pNumber=0;
        int money=0;
        int weight=0;
        for(int i=0;i<number;i++)
        {
            System.out.println("请输入你要选择的第"+i+1+"量车的序号");
            int choseNum=input.nextInt();
            System.out.println("你选择的车型是");
            if(carMassage[choseNum-1] instanceof Bus)
                {
                   System.out.println(carMassage[choseNum-1].getId()+"\t"+"\t"+carMassage[choseNum-1].getPrice()+"\t"+carMassage[choseNum-1].getSum()+"\t"+carMassage[choseNum-1].getAgain()+"\t"+carMassage[choseNum-1].getName());
                   money+=carMassage[choseNum-1].getPrice();
                   pNumber+=carMassage[choseNum-1].getSum();
                }
            if(carMassage[choseNum-1] instanceof Pick)
            {
                System.out.println(carMassage[choseNum-1].getId()+"\t"+"\t"+carMassage[choseNum-1].getPrice()+"\t"+carMassage[choseNum-1].getSum()+"\t"+carMassage[choseNum-1].getAgain()+"\t"+carMassage[choseNum-1].getName());
                   money+=carMassage[choseNum-1].getPrice();
                   pNumber+=carMassage[choseNum-1].getSum();
                   weight+=carMassage[choseNum-1].getAgain();

            }
            if(carMassage[choseNum-1] instanceof Trcuk)
            {
                System.out.println(carMassage[choseNum-1].getId()+"\t"+"\t"+carMassage[choseNum-1].getPrice()+"\t"+carMassage[choseNum-1].getSum()+"\t"+carMassage[choseNum-1].getAgain()+"\t"+carMassage[choseNum-1].getName());
                   money+=carMassage[choseNum-1].getPrice();                     
                   weight+=carMassage[choseNum-1].getAgain();

            }
        }
        System.out.println("租多少天");
        int day =input.nextInt();
        int sumMoney =day * money;
     System.out.println("总共租了"+number+"辆车");
     System.out.println("总共有"+pNumber+"人");
     System.out.println("总共有"+weight+"顿");
     System.out.println("总共花了"+sumMoney+"钱");

    }
    else if(inputNum==2)
    {
        System.out.println("欢迎下次再来");
    }
    else {System.out.println("你输入的错误请重新输入");}
}

}