答答租车系统规范代码

package rentcar;
public class Car {

private String name;
private int price;
private int capacity;
private double load;

public Car(String name, int price, int capacity) {
    super();
    this.name = name;
    this.price = price;
    this.capacity = capacity;
}
public Car(String name, int price, int capacity, double load) {
    super();
    this.name = name;
    this.price = price;
    this.capacity = capacity;
    this.load = load;
}
public Car(String name, int price, double load) {
    super();
    this.name = name;
    this.price = price;
    this.load = load;
}
public String getName() {
    return name;
}
public void setName(String name) {
    this.name = name;
}
public int getPrice() {
    return price;
}
public void setPrice(int price) {
    this.price = price;
}
public double getCapacity() {
    return capacity;
}
public void setCapacity(int capacity) {
    this.capacity = capacity;
}
public double getLoad() {
    return load;
}
public void setLoad(double load) {
    this.load = load;
}

}

package rentcar;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class RentSystem {

Scanner scan=new Scanner(System.in);
public List<Car> choosecar;
public RentSystem()
{
    this.choosecar=new ArrayList<Car>();
}
public void MakeList()
{
    Car car[]={new Car("奥迪A4",500,4),new Car("马自达6",400,4),new Car("皮卡雪6",450,4,2.0),new Car("金龙",800,20),
            new Car("松花江",400,4.0),new Car("依维柯",1000,20.0)};
    choosecar.addAll(Arrays.asList(car));   
}
public void ShowList()
{
    System.out.println("序号\t"+"汽车名称\t\t"+"租金\t\t"+"容量\t\t");
    System.out.println("1.\t"+choosecar.get(0).getName()+"\t\t"+choosecar.get(0).getPrice()+"元/天\t\t"+"载人:"+choosecar.get(0).getCapacity()+"人");
    System.out.println("2.\t"+choosecar.get(1).getName()+"\t\t"+choosecar.get(1).getPrice()+"元/天\t\t"+"载人:"+choosecar.get(1).getCapacity()+"人");
    System.out.println("3.\t"+choosecar.get(2).getName()+"\t\t"+choosecar.get(2).getPrice()+"元/天\t\t"+"载人:"+choosecar.get(2).getCapacity()+"人"+"载货:"+choosecar.get(2).getLoad()+"吨");
    System.out.println("4.\t"+choosecar.get(3).getName()+"\t\t"+choosecar.get(3).getPrice()+"元/天\t\t"+"载人:"+choosecar.get(3).getCapacity()+"人");
    System.out.println("5.\t"+choosecar.get(4).getName()+"\t\t"+choosecar.get(4).getPrice()+"元/天\t\t"+"载货:"+choosecar.get(4).getLoad()+"吨");
    System.out.println("6.\t"+choosecar.get(5).getName()+"\t\t"+choosecar.get(5).getPrice()+"元/天\t"+"载货:"+choosecar.get(5).getLoad()+"吨");
}
public void Rent()
{   String name=null ;
     String  name2=null;
    int totalprice=0;
    int totalcapacity=0;
    double totalload=0;

    System.out.println("请输入你要租车的数量");
    try {
        int in2=scan.nextInt();
        for(int i=0;i<in2;i++)
        {
            System.out.println("请输入第"+(i+1)+"辆车的序号");
            {
                try {
                    int in3=scan.nextInt();
                    if(in3>=1&&in3<=4)
                    {
                        name+=choosecar.get(in3-1).getName();
                    if(in3==3)
                        name2+=choosecar.get(in3-1).getName();
                            }
                    }
                    else
                    {
                        name2+=choosecar.get(in3-1).getName();
                    }
                    totalprice+=choosecar.get(in3-1).getPrice();
                    totalcapacity+=choosecar.get(in3-1).getCapacity();
                    totalload+=choosecar.get(in3-1).getLoad();
                } catch (Exception e) {
                    System.out.println("输入错误，请重新输入");
                    scan=new Scanner(System.in);
                }

            }

        }
    } catch (Exception e) {

        System.out.println("输入错误，请重新输入");
        scan=new Scanner(System.in);
    }
    System.out.println("请输入你租车的天数:");
    int in4=scan.nextInt();
    System.out.println("可载人的车有:"+name);
    System.out.println("共载人:"+totalcapacity+"人");
    System.out.println("可载货的车有:"+name2);
    System.out.println("共载货:"+totalload+"吨");
    System.out.println("租车总价格为:"+totalprice*in4+"元");

}
public static void main(String[] args) {
System.out.println("欢迎进入答答租车系统！");
Scanner scan=new Scanner(System.in);
while(true)
{
    System.out.println("你是否要租车：0:是；1:否");
    try {
        int in1=scan.nextInt();
        if(in1==1)
        {  

            return;

        }
        if(in1==0){
            break;

        }
        else{
            System.out.println("输入错误，请重新输入");
            scan=new Scanner(System.in);
        }
    } catch (Exception e) {

        System.out.println("输入错误，请重新输入");
        scan=new Scanner(System.in);
    }

}
System.out.println("您可租车的类型及其价目表:");
RentSystem rs=new RentSystem();
rs.MakeList();
rs.ShowList();
rs.Rent();
}

}