測試類

package coom.car_rental.java;

import java.util.Scanner;

/*

* 這是測試主類

*/

public class CarRental implements cars{

public static void main(String[] args) {

// TODO 自動生成的方法存根

System.out.println("歡迎使用達達租車系統(tǒng)！");

System.out.println("請問您是否需要租車？ 0-否 1-是 ");

Scanner sc = new Scanner(System.in);

int op1 = sc.nextInt();

switch (op1) {

case 0:

System.out.println("歡迎您使用達達租車系統(tǒng)!" + "\n" +

"期待您的再次使用！" + "\n" + "再見！");

System.exit(0);

case 1:

System.out.println("您可租用車的數(shù)量及價格表");

System.out.println("序號"+ "\t車名" + "\t車的載客量(人)" + "\t車的載貨量(噸)"

+ "\t車的價格(天/元)");

//循環(huán)輸出車的信息

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

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

}

break;

default:

System.out.println("輸入錯誤！");

break;

}

double price = 0;//總的價格

int allpeople = 0;//總的人數(shù)

int allloads = 0;//總的載貨量

System.out.println("請輸入你需要租車的數(shù)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("請輸入您第" + (i + 1) +"的租車序號" );

int number = snb.nextInt();

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

}

System.out.println("請輸入您的租車天數(shù)");

int dayNumber = snb.nextInt();

System.out.println("\t***************您的賬單如下***********");

System.out.println("您選的載人客車有：");

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("您的載貨汽車有：");

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("一共載貨" + allloads + "噸" );

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

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

}

System.out.println("您總的價格是：" + price);

}

}

Car類

package coom.car_rental.java;

public abstract class Car {

public String name;//車的名字

public int carNumber;//租車數(shù)量

public int busload;//載客量

public int burden;//載貨量

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;

}

}

車庫類

package coom.car_rental.java;

public interface cars {

Car[] cars = {

new PassengerCar("奧迪A4", 4, 500),

new PassengerCar("馬自達6", 4, 400),

new PickupTruck("皮卡雪6", 4, 2, 450),

new PassengerCar("金龍", 20, 800),

new Truck("松花江", 4, 400),

new Truck("依維柯", 20, 1000)};

}

卡車類

package coom.car_rental.java;

/*

* 這是貨車類，載貨的

*/

public class Truck extends Car {

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

// TODO 自動生成的構造函數(shù)存根

this.setName(name);

this.setBurden(burden);

this.setDailyRent(dailyRent);

}

public String toString() {

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

}

}

客車類

package coom.car_rental.java;

/*

* 這是客車類，載人的

*/

public class PassengerCar extends Car {

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

// TODO 自動生成的構造函數(shù)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();

}

}

皮卡類

package coom.car_rental.java;

/*

* 這是皮卡車類，既可以載人也可以載貨

*/

public class PickupTruck extends Car {

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

// TODO 自動生成的構造函數(shù)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();

}

}

總結

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