java实现简单租车系统

java实现简单租车系统

本文实例为大家分享了java实现租车系统Demo，供大家参考，具体内容如下

这也是参考了mooc上的一个基础项目，所以拿来写一下。不过我的Demo肯定有不好或者错误的地方，欢迎指出

1、项目功能/需求

a、展示所有可租车辆

b、选择车型、租车量

c、展示租车清单，包含：总金额、总载货量、总载客量

2、项目系统UML图

3、项目源码Demo

Car类

package Car.rental;

public class Car {

private String name;

private int rent;

private int passenger;

private double volume;

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public int getRent() {

return rent;

}

public void setRent(int rent) {

this.rent = rent;

}

public int getPassenger() {

return passenger;

}

public void setPassenger(int passenger) {

this.passenger = passenger;

}

public double getVolume() {

return volume;

}

public void setVolume(doubleHRkwTpX volume) {

this.volume = volume;

}

}

Truck类

package Car.rental;

public class Truck extends Car {

private String name;

private int rent;

private double volume;

public Truck(String name,int rent,double volume)

{

this.name=name;

this.rent=rent;

this.volume=volume;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public int getRent() {

return rent;

}

public void setRent(int rent) {

this.rent = rent;

}

public double getVolume() {

return volume;

}

public void setVolume(double volume) {

this.volume = volume;

}

}

Coach类

package Car.rental;

public class Coach extends Car {

private String name;

private int rent;

private int passenger;

public Coach(String name,int rent,int passenger) {

this.name=name;

this.passenger=passenger;

this.rent=rent;

}

public int getPassenger() {

return passenger;

}

public void setPassenger(int passenger) {

this.passenger = passenger;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public int getRent() {

return rent;

}

public void setRent(int rent) {

this.rent = rent;

}

}

Pickup类

package Car.rental;

public class Pickup extends Car {

private String name;

private int rent;

private int passenger;

private double volume;

public Pickup(String name,int rent,int passenger,double volume)

{

this.name=name;

this.passenger=passenger;

this.rent=rent;

this.volume=volume;

}

public int getPassenger() {

return passenger;

}

public void setPassenger(int passenger) {

this.passenger = passenger;

}

public double getVolume() {

return volume;

}

public void setVolume(double volume) {

this.volume = volume;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public int getRent() {

return rent;

}

public void setRent(int rent) {

this.rent = rent;

}

}

测试类

package Car.rental;

import java.util.Scanner;

public class main_Car {

public static void main(String[] args) {

// TODO Auto-generated method stub

/*****创建车对象*******/

/*Car tru=new Truck("拉丝货车",200,1.1);

Car coa=new Coach("法法客车",150,20);

Car Pic=new Pickup("无名皮卡车",300,4,0.5);*/

Car[] Allcar= {new Truck("拉丝货车",200,1.1),new Coach("法法客车",150,20),

new Pickup("无名皮卡车",300,4,0.5)};

System.out.println("请问您是否要租车：1.是 2.否");

Scanner scan=new Scanner(System.in);

String input=scan.next();

if(input.equals("1"))

{

int all_rent = 0;//总租金

int all_passenger=0;//总载客

double all_volume=0.0;//总载货

System.out.println("您可租车的类型及其价目");

System.out.println("序号\t汽车名称\t租金\t容量\t");

for(int i=0;i

{

if(Allcar[i] instanceof Truck)

{

System.out.println((i+1)+"\t"+Allcar[i].getName()+"\t"+Allcar[i].getRent()+"\t"+"载货："+Allcar[i].getVolume())http://;

}

if(Allcar[i] instanceof Coach)

{

System.out.println((i+1)+"\t"+Allcar[i].getName()+"\t"+Allcar[i].getRent()+"\t"+"载客："+Allcar[i].getPassenger());

}

if(Allcar[i] instanceof Pickup)

{

System.out.println((i+1)+"\t"+Allcar[i].getName()+"\t"+Allcar[i].getRent()+"\t"+"载客："+Allcar[i].getPassenger()+"载货："+Allcar[i].getVolume());

}

}

System.out.println("请输入您要租车的数量");

int sum=scan.nextInt();

int Car_order;

for(int j=0;j

{

System.out.print("你要租的第"+(j+1)+"辆车的序号是：");

Car_order=scan.nextInt();

System.out.println();

if(Allcar[Car_order-1] instanceof Truck)

{

all_rent+=Allcar[Car_order-1].getRent();

all_volume+=Allcar[Car_order-1].getVolume();

}

if(Allcar[Car_order-1] instanceof Coach)

{

all_rent+=Allcar[Car_order-1].getRent();

all_passenger+=Allcar[Car_order-1].getPassenger();

}

if(Allcar[Car_order-1] instanceof Pickup)

{

all_rent+=Allcar[Car_order-1].getRent();

all_passenger+=Allcar[Car_order-1].getPassenger();

all_volume+=Allcar[Car_order-1].getVolume();

}

}

System.out.println("您的总租金是："+all_rent);

System.out.println("您的总载货是:"+all_volume);

System.out.println("您的总载客是："+all_passenger);

}

}

}

4、项目命令行演示结果

{

if(Allcar[i] instanceof Truck)

{

System.out.println((i+1)+"\t"+Allcar[i].getName()+"\t"+Allcar[i].getRent()+"\t"+"载货："+Allcar[i].getVolume())http://;

}

if(Allcar[i] instanceof Coach)

{

System.out.println((i+1)+"\t"+Allcar[i].getName()+"\t"+Allcar[i].getRent()+"\t"+"载客："+Allcar[i].getPassenger());

}

if(Allcar[i] instanceof Pickup)

{

System.out.println((i+1)+"\t"+Allcar[i].getName()+"\t"+Allcar[i].getRent()+"\t"+"载客："+Allcar[i].getPassenger()+"载货："+Allcar[i].getVolume());

}

}

System.out.println("请输入您要租车的数量");

int sum=scan.nextInt();

int Car_order;

for(int j=0;j

{

System.out.print("你要租的第"+(j+1)+"辆车的序号是：");

Car_order=scan.nextInt();

System.out.println();

if(Allcar[Car_order-1] instanceof Truck)

{

all_rent+=Allcar[Car_order-1].getRent();

all_volume+=Allcar[Car_order-1].getVolume();

}

if(Allcar[Car_order-1] instanceof Coach)

{

all_rent+=Allcar[Car_order-1].getRent();

all_passenger+=Allcar[Car_order-1].getPassenger();

}

if(Allcar[Car_order-1] instanceof Pickup)

{

all_rent+=Allcar[Car_order-1].getRent();

all_passenger+=Allcar[Car_order-1].getPassenger();

all_volume+=Allcar[Car_order-1].getVolume();

}

}

System.out.println("您的总租金是："+all_rent);

System.out.println("您的总载货是:"+all_volume);

System.out.println("您的总载客是："+all_passenger);

}

}

}

4、项目命令行演示结果

{

System.out.print("你要租的第"+(j+1)+"辆车的序号是：");

Car_order=scan.nextInt();

System.out.println();

if(Allcar[Car_order-1] instanceof Truck)

{

all_rent+=Allcar[Car_order-1].getRent();

all_volume+=Allcar[Car_order-1].getVolume();

}

if(Allcar[Car_order-1] instanceof Coach)

{

all_rent+=Allcar[Car_order-1].getRent();

all_passenger+=Allcar[Car_order-1].getPassenger();

}

if(Allcar[Car_order-1] instanceof Pickup)

{

all_rent+=Allcar[Car_order-1].getRent();

all_passenger+=Allcar[Car_order-1].getPassenger();

all_volume+=Allcar[Car_order-1].getVolume();

}

}

System.out.println("您的总租金是："+all_rent);

System.out.println("您的总载货是:"+all_volume);

System.out.println("您的总载客是："+all_passenger);

}

}

}

4、项目命令行演示结果

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