哒哒租车-原创手记-慕课网

//基类
public class Car{
   private String name;//车辆名称
   private int price;//租车价格
   public Car(String name,int price){
       this.setName(name);
       this.setPrice(price);
   }
   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;
   }
}

//客车
public class PassengerCar extends Car {
   private int people;//乘客人数
   public PassengerCar(String name, int price,int people) {
       super(name,price);
       this.people=people;
   }
   public int getPeople() {
       return people;
   }
   public void setPeople(int people) {
       this.people = people;
   }
}

//货车
public class Van extends Car{
   private int weight;//载重
   public Van(String name, int price,int weight) {
       super(name,price);
       this.weight = weight;
   }
   public int getWeight() {
       return weight;
   }
   public void setWeight(int weight) {
       this.weight = weight;
   }
}

//皮卡
public class Pickup extends Car{
   private int people;//载人数
   private int weight;//载重
   public Pickup(String name, int price,int people,int weight) {
       super(name,price);
       this.people = people;
       this.weight = weight;
   }
   public int getPeople() {
       return people;
   }
   public void setPeople(int people) {
       this.people = people;
   }
   public int getWeight() {
       return weight;
   }
   public void setWeight(int weight) {
       this.weight = weight;
   }
}

//主程序
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class RentCar {
   public static void main(String[] args) {
       // TODO Auto-generated method stub
       System.out.println("欢迎使用哒哒租车系统！"+"\n"+"您是否要租车：1是，0否");
       //控制台接收输入
       Scanner sc = new Scanner(System.in);
       //用户输入选择
       int input = sc.nextInt();

       //创建对象数组并初始化
       Car[] car = {new PassengerCar("奥迪",500,4),new PassengerCar("马自达",400,4),new Pickup("皮卡",450,4,2),new Van("松花江",400,4),new Van("依维柯",1000,20)};
       //创建List对象，用于存储用户选择车辆序号信息
       List<Integer> list = new ArrayList<Integer>();
       int i = 1;
       if(input == 1) {
           System.out.println("您可以租车的类型及价目表：");
           System.out.println("序号\t汽车名称\t租金\t 容量");
           //循环输出各类型车辆数据
           for(Car rentCar:car) {
               //判断对象是否是类的实例
               if(rentCar instanceof PassengerCar){
                   System.out.println((i++)+"\t"+rentCar.getName()+"\t"+rentCar.getPrice()+"元/天\t"+((PassengerCar)rentCar).getPeople()+"人");
               }
               if(rentCar instanceof Van) {
                   System.out.println((i++)+"\t"+rentCar.getName()+"\t"+rentCar.getPrice()+"元/天\t"+((Van)rentCar).getWeight()+"吨");
               }
               if(rentCar instanceof Pickup) {
                   System.out.println((i++)+"\t"+rentCar.getName()+"\t"+rentCar.getPrice()+"元/天\t"+((Pickup)rentCar).getPeople()+"人,"+((Pickup)rentCar).getWeight()+"吨");
               }
           }
           System.out.println("请输入您要租车的数量：");
           //输入用户租车数量
           int number = sc.nextInt();
           //将选择的车辆序号出入list对象中
           for(int j=0;j<number;j++) {
               System.out.println("请输入第"+(j+1)+"辆车的序号：");
               int serial = sc.nextInt();
               list.add(serial);
           }
           System.out.println("请输入第租车天数：");
           //用户输入租车天数
           int day = sc.nextInt();
           System.out.println("您的账单");
           System.out.print("可载人的车有：");
           //总人数
           int peopleSum = 0;
           //总重量
           int weightSum = 0;
           //总价格
           int priceSum = 0;
           //遍历list，并输入载人车辆信息
           for(int j=0;j<list.size();j++) {
               //判断接收的序号对应的类是否与输出类型一致
               if(car[(Integer)list.get(j)-1].getClass()==PassengerCar.class) {
                   System.out.print(car[(Integer)list.get(j)-1].getName()+"\t");
                   //统计总人数
                   peopleSum += ((PassengerCar)car[(Integer)list.get(j)-1]).getPeople();
                   //统计总价格
                   priceSum+=((PassengerCar)car[(Integer)list.get(j)-1]).getPrice();

               }else if(car[(Integer)list.get(j)-1].getClass()==Pickup.class){
                   System.out.print(car[(Integer)list.get(j)-1].getName()+"\t");
                   peopleSum += ((Pickup)car[(Integer)list.get(j)-1]).getPeople();
                   priceSum+=((Pickup)car[(Integer)list.get(j)-1]).getPrice();
               }
           }
           //输出总人数
           System.out.println("共载人："+peopleSum+"人");
           System.out.print("可载货的车有：");
           //遍历list，并输出载货车辆信息
           for(int j=0;j<list.size();j++) {
               //判断接收的序号对应的类是否与输出类型一致
               if(car[(Integer)list.get(j)-1].getClass()==Van.class) {
                   System.out.print(car[(Integer)list.get(j)-1].getName()+"\t");
                   weightSum += ((Van)car[(Integer)list.get(j)-1]).getWeight();
                   priceSum+=((Van)car[(Integer)list.get(j)-1]).getPrice();
               }else if(car[(Integer)list.get(j)-1].getClass()==Pickup.class){
                   System.out.print(car[(Integer)list.get(j)-1].getName()+"\t");
                   //统计总重量
                   weightSum += ((Pickup)car[(Integer)list.get(j)-1]).getWeight();
               }
           }
           //输出总重量
           System.out.println("共载货："+weightSum+"吨");
           //输出总价格
           System.out.print("租车总价格："+priceSum*day+"元");
       }else if(input == 0){
           System.out.println("谢谢使用哒哒租车系统！");
       }else {
           System.out.println("输入错误，请输入1或0！");
       }
   }
}