Java学习笔记——好记性不如烂键盘（答答租车系统）*内有源码

根据所学知识，编写一个控制台版的租车系统
功能：1、 展示所有可租车辆
2、 选择车型、租车辆
3、 展示租车清单，包含：总金额、总载货量及其车型、总载人量及其车型
代码参考imooc中[JavaEE]课程Demo编写
父类Car：

package com.RentCar;
 
public class Car {
    String name; 
    int money; 
    int people; 
    int goods; 
    public String getName() { 
        return name; 
        } 
    public int getMoney() { 
        return money; 
        } 
    public int getPeople() {
        return people; 
        } 
    public int getGoods() { 
        return goods; 
        } 
}

Car 的子类——载人汽车CarPeople：

package com.RentCar;
 
public class CarPeople extends Car{
    String name; 
    int money; 
    int people; 
    public CarPeople(String name,int money,int people){ 
        this.name = name; 
        this.money = money; 
        this.people = people; 
        } 
    @Override
    public String toString() { 
        return this.name + "" + this.money + this.people; 
        } 
    public String getName() { 
        return name; 
        } 
    public int getMoney() {
        return money; 
        } 
    public int getPeople() { 
        return people; 
        }
}

Car 的子类——载货汽车CarGoods：

package com.RentCar;
 
public class CarGoods extends Car {
    String name; 
    int money; 
    int goods; 
    public CarGoods(String name,int money,int goods){ 
        this.name = name; 
        this.money = money; 
        this.goods = goods; 
        } 
    @Override
    public String toString() {
        return this.name + this.money + this.goods;
        } 
    public String getName() { 
        return name; 
        } 
    public int getMoney() { 
        return money; 
        } 
    public int getGoods() { 
        return goods; 
        }
}

Car 的子类——载人载货CarAll：

package com.RentCar;
 
public class CarAll extends Car {
    String name; 
    int money; 
    int people; 
    int goods; 
    public CarAll(String name,int money,int people,int goods){ 
        this.name = name; 
        this.money = money; 
        this.people = people; 
        this.goods = goods; 
        } 
    @Override
    public String toString() { 
        return this.name + this.money + this.people + this.goods; 
        } 
    public String getName() { 
        return name; 
        } 
    public int getMoney() { 
        return money; 
        } 
    public int getPeople() { 
        return people; 
        } 
    public int getGoods() { 
        return goods;
        }
}

主函数：

package com.RentCar;
import java.util.Scanner; 
 
 
public class CarRentingSystem {
 
    public static void main(String[] args) {
        // TODO 自动生成的方法存根
        while (true) { 
            System.out.println("你到底要不要租虎哥的车？（租/不租）");
            Scanner scanner = new Scanner(System.in); 
            String input = scanner.next(); 
            if(input.equals("租")){ 
                Car[] cars = {new CarPeople("奥迪A4",400,4),new CarPeople("马自达",400,4),new CarAll("皮卡6",450,4,20), new CarPeople("金龙",800,20), new CarGoods("松花江",400,4),new CarGoods("依维柯",1000,20)
                        }; 
                System.out.println("下面是您能租的车："); 
                System.out.println("序号 品牌 价格 载人/货量"); 
                for(int i = 0;i < cars.length;i++){ 
                    System.out.printf("%-3d %-6s% 6d %3d个人，%d吨货",i+1,cars[i].getName(),cars[i].getMoney(),cars[i].getPeople(),cars[i].getGoods()); 
                    } 
                System.out.println("你想要租几辆啊："); 
                int number = scanner.nextInt(); 
                Car[] chooseCars = new Car[number]; 
                Car[] chooseCarsPeople = new Car[number]; 
                int CCPNum = 0;//选择的载人汽车的数目
                Car[] chooseCarsGoods = new Car[number]; 
                int CCGNum = 0;//选择的载货汽车的数目 
                //定义总共的钱数，载客量，载货量 
                int money = 0; 
                int people = 0; 
                int goods = 0; 
                for(int i = 0,j = 1;i < number;i++,j++){ 
                    System.out.println("请输入第" + j + "辆车的序号："); 
                    int carNum = scanner.nextInt() - 1; 
                    try { chooseCars[i] = cars[carNum]; 
                    money += chooseCars[i].getMoney(); 
                    people += chooseCars[i].getPeople(); 
                    goods += chooseCars[i].getGoods(); 
                    if(chooseCars[i].getPeople() != 0){ 
                        chooseCarsPeople[CCPNum] = chooseCars[i]; CCPNum++; 
                        } 
                    if(chooseCars[i].getGoods() != 0){ 
                        chooseCarsGoods[CCGNum] = chooseCars[i]; CCGNum++; 
                        } 
                    } 
                    catch (Exception e) { 
                        System.out.println("说了几遍了，输入1~6的序号！\n"); i--; j--; 
                        } 
                    } 
                System.out.println("你想要租几天啊：");
                int dayNum = scanner.nextInt(); 
                System.out.printf("你一共花了：%d元\n您总共租了%d辆车，租赁%d天\n",money*dayNum,number,dayNum); 
                System.out.println("其中，载人的车有" + CCPNum + "辆"); 
                try { for(Car CarsPeople:chooseCarsPeople){ 
                    System.out.println(CarsPeople.getName()); 
                    } 
                } 
                catch (Exception e) { 
 
                } 
                System.out.printf("总载客量：%d人\n",people*dayNum); 
                System.out.println("载货的车有" + CCGNum + "辆"); 
                try { for(Car CarsGoods:chooseCarsGoods){ 
                    System.out.println(CarsGoods.getName()); 
                    } 
                }
                catch (Exception e) { } 
                System.out.printf("总载货量：%d吨\n",goods*dayNum); 
                break; 
                }
            else if(input.equals("不租")){
                System.out.println("不租你过来干嘛！"); 
                break; 
                }
            else { 
                System.out.println("你输错了大兄弟！\n"); 
                } 
            } 
        System.out.println("慢走不送！");
            }
    }

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