测试类

package coom.car_rental.java;

import java.util.Scanner;

/*

* 这是测试主类

*/

public class CarRental implements cars{

public static void main(String[] args) {

// TODO 自动生成的方法存根

System.out.println("欢迎使用达达租车系统！");

System.out.println("请问您是否需要租车？ 0-否 1-是 ");

Scanner sc = new Scanner(System.in);

int op1 = sc.nextInt();

switch (op1) {

case 0:

System.out.println("欢迎您使用达达租车系统!" + "\n" +

"期待您的再次使用！" + "\n" + "再见！");

System.exit(0);

case 1:

System.out.println("您可租用车的数量及价格表");

System.out.println("序号"+ "\t车名" + "\t车的载客量(人)" + "\t车的载货量(吨)"

+ "\t车的价格(天/元)");

//循环输出车的信息

for(int i = 0;i < cars.length;i ++) {

System.out.println((i + 1) +"\t"+ cars[i]);

}

break;

default:

System.out.println("输入错误！");

break;

}

double price = 0;//总的价格

int allpeople = 0;//总的人数

int allloads = 0;//总的载货量

System.out.println("请输入你需要租车的数量");

Scanner snb = new Scanner(System.in);

int cnb = snb.nextInt();

Car[] rentCar = new Car[cnb];

for(int i=0;i < cnb;i ++) {

System.out.println("请输入您第" + (i + 1) +"的租车序号" );

int number = snb.nextInt();

rentCar[i] =cars[number - 1];

}

System.out.println("请输入您的租车天数");

int dayNumber = snb.nextInt();

System.out.println("\t***************您的账单如下***********");

System.out.println("您选的载人客车有：");

for(int i = 0;i < cnb;i ++) {

if(rentCar[i].busload != 0) {

System.out.println(rentCar[i].name + "\t" + rentCar[i].busload);

}

allpeople = allpeople + rentCar[i].busload;

}

System.out.println("一共有" + allpeople + "人");

System.out.println("您的载货汽车有：");

for(int i = 0;i < cnb;i ++) {

if(rentCar[i].burden != 0) {

System.out.println(rentCar[i].name + "\t" + rentCar[i].burden);

}

allloads = allloads + rentCar[i].burden;

}

System.out.println("一共载货" + allloads + "吨" );

for(int i =0;i < cnb;i ++) {

price = price + rentCar[i].dailyRent * dayNumber;

}

System.out.println("您总的价格是：" + price);

}

}

Car类

package coom.car_rental.java;

public abstract class Car {

public String name;//车的名字

public int carNumber;//租车数量

public int busload;//载客量

public int burden;//载货量

public double dailyRent;//日租金

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public int getCarNumber() {

return carNumber;

}

public void setCarNumber(int carNumber) {

this.carNumber = carNumber;

}

public int getBusload() {

return busload;

}

public void setBusload(int busload) {

this.busload = busload;

}

public int getBurden() {

return burden;

}

public void setBurden(int burden2) {

this.burden = burden2;

}

public double getDailyRent() {

return dailyRent;

}

public void setDailyRent(double dailyRent) {

this.dailyRent = dailyRent;

}

}

车库类

package coom.car_rental.java;

public interface cars {

Car[] cars = {

new PassengerCar("奥迪A4", 4, 500),

new PassengerCar("马自达6", 4, 400),

new PickupTruck("皮卡雪6", 4, 2, 450),

new PassengerCar("金龙", 20, 800),

new Truck("松花江", 4, 400),

new Truck("依维柯", 20, 1000)};

}

卡车类

package coom.car_rental.java;

/*

* 这是货车类，载货的

*/

public class Truck extends Car {

public Truck(String name, int burden, double dailyRent) {

// TODO 自动生成的构造函数存根

this.setName(name);

this.setBurden(burden);

this.setDailyRent(dailyRent);

}

public String toString() {

return this.getName() + "\t" +this.getBurden() + "\t\t" + this.getDailyRent();

}

}

客车类

package coom.car_rental.java;

/*

* 这是客车类，载人的

*/

public class PassengerCar extends Car {

public PassengerCar(String name, int busload,double dailyRent) {

// TODO 自动生成的构造函数存根

this.setName(name);

this.setBusload(busload);

this.setDailyRent(dailyRent);

}

public String toString() {

return this.getName() +"\t" + this.getBusload() + "\t\t\t\t" + this.getDailyRent();

}

}

皮卡类

package coom.car_rental.java;

/*

* 这是皮卡车类，既可以载人也可以载货

*/

public class PickupTruck extends Car {

public PickupTruck(String name, int busload, int burden, double dailyRent) {

// TODO 自动生成的构造函数存根

this.setName(name);

this.setBusload(busload);

this.setBurden(burden);

this.setDailyRent(dailyRent);

}

public String toString () {

return this.getName() + "\t" + this.getBusload() + "\t\t"

+ this.getBurden() + "\t\t" + this.getDailyRent();

}

}