Java第二季答答租车系统

package ddrentcar;

public class Car {
private String carName;//车辆的名称
private double price;//租用价格
private int busLoad;//载客量
private double cargo;//载货量
public String getCarName(){
    return carName;
}
public void setCarName(String carName){
    this.carName=carName;
}
public double getPrice(){
    return price;
}
public void setPrice(double price){
    this.price=price;
}
public int getBusLoad(){
    return busLoad;
}
public void setBusLoad(int busLoad){
    this.busLoad=busLoad;
}
public double getCargo(){
    return cargo;
}
public void setCargo(double cargo){
    this.cargo=cargo;
}
}
package ddrentcar;

public class Passengercar extends Car {
public Passengercar(String carName,double price,int busLoad,double cargo){
    this.setCarName(carName);
    this.setPrice(price);
    this.setBusLoad(busLoad);
    this.setCargo(cargo);
}
}
package ddrentcar;

public class Trunk extends Car {
public Trunk(String carName,double price,int busLoad,double cargo){
    this.setCarName(carName);
    this.setPrice(price);
    this.setBusLoad(busLoad);
    this.setCargo(cargo);
}
}

package ddrentcar;

public class Pickup extends Car {
public Pickup(String carName,double price,int busLoad,double cargo){
    this.setCarName(carName);
    this.setPrice(price);
    this.setBusLoad(busLoad);
    this.setCargo(cargo);
}
}

package ddrentcar;
import java.util.Scanner;
public class Initial {
    private static Scanner input=new Scanner(System.in);
    public static void main(String[] args) {
        // TODO Auto-generated method stub
Car[] carForRent={new Passengercar("奥迪A4",500,4,0),new Passengercar("马自达6",400,4,0),new Pickup("皮卡雪6",450,4,2),new Passengercar("金龙",800,20,0),new Trunk("依维柯",1000,0,20),new Trunk("松花江",400,0,4)};

while(true){
    System.out.println("欢迎使用答答租车系统：您是否需要租车：1是 0否");
    try{
        int choose=inputCommand();
        switch(choose){
        case 1:
            System.out.println("您可租车类型及价目表"); 
        System.out.println("序号"+"\t"+"汽车名称"+"\t"+"租金"+"\t"+"载客量"+"\t"+"载货量");
        for(int i=0;i<carForRent.length;i++){
            System.out.println((i+1)+"\t"+carForRent[i].getCarName()+"\t"+carForRent[i].getPrice()+"\t"+carForRent[i].getBusLoad()+"\t"+carForRent[i].getCargo());
        }
        System.out.println("请输入您需要租车的数量:");
        //Scanner input2=new Scanner(System.in);
        int carNum=input.nextInt();//租车数量
        double[] eachKindPrice=new double[6];//所租用的每种类型车的单日总租金
        for(int i=0;i<carForRent.length;i++){
            System.out.println("请依次输入您所需的第"+(i+1)+"号车数量");
        //Scanner input3=new Scanner(System.in);
        int num=input.nextInt();
        eachKindPrice[i]=num*carForRent[i].getPrice();
        }
        System.out.println("请输入租车天数：");
        //Scanner input4=new Scanner(System.in);
        int days=input.nextInt();
        double[] dailyPrice=new double[6];//单日总租金
        double totalPrice=0;//总租金
        System.out.println("您的账单为：");
        for(int i=0;i<6;i++){
            dailyPrice[i]=days*eachKindPrice[i];
            System.out.println("租第"+(i+1)+"号车的费用为:"+dailyPrice[i]+"元");
        totalPrice+=dailyPrice[i];
        }
        System.out.println("总租金为："+totalPrice+"元");
            break;
        case 0:
            System.out.println("感谢你的访问");
            break;
        case -1:
            System.out.println("输入错误，请按照提示输入");
            continue;
        default:
            System.out.println("输入错误,请按照提示输入");
            continue;
        }break;

    }catch(Exception ss){
        System.out.println(ss.getMessage());
        continue;
    }
}

 }
    private static int inputCommand(){
        try{
        int command=input.nextInt();
        return command;
        }catch(Exception e){
            input=new Scanner(System.in);
            return -1;
        }
    }
}