本文介绍的是利用java编写一个控制台版的“达达租车系统”,下面话不多说了,来看看详细实现方法吧。
实现目标
java编写一个控制台版的“达达租车系统”
实现功能
1.展示所有可租车辆
2.选择车型、租车量
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
三大分析
数据模型分析
业务模型分析
显示和流程分析
实现效果
租车页面
租车账单
实现思路
首先定义一个Car类,它包含基本功能:车名、载客数、载货量、日租金。接着创建三个小类,分别是客车类、货车类和皮卡类(既能载客又能载货),它们都继承Car类。最后需要一个主类,用于开启整个系统,调用每个小类。
实现代码
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public abstract class Car { public int rent; //日租金 public int people; //载客人数 public int loads; //载货量 public String name; //车名 public int getRent(){ return rent; } public void setRent( int rent){ this .rent=rent; } public int getPeople(){ return people; } public void setPeople( int people){ this .people=people; } public int getLoads(){ return loads; } public void setLoads( int loads){ this .loads=loads; } public String getName(){ return name; } public void setName(String name){ this .name=name; } } |
客车类
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public class PassageCar extends Car{ public PassageCar(String name, int people, int rent){ this .setName(name); this .setPeople(people); this .setRent(rent); } public String toString(){ return this .getName()+ "\t" + this .getPeople()+ "\t\t\t\t" + this .getRent(); } } |
卡车类
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public class Truck extends Car { public Truck(String name, int loads, int rent){ this .setName(name); this .setLoads(loads); this .setRent(rent); } public String toString(){ return this .getName()+ "\t\t\t" + this .getLoads()+ "\t\t" + this .getRent(); } } |
皮卡类
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public class Pickup extends Car { public Pickup(String name, int people, int loads, int rent){ this .setName(name); this .setPeople(people); this .setLoads(loads); this .setRent(rent); } public String toString(){ return this .getName()+ "\t" + this .getPeople()+ "\t\t" + this .getLoads()+ "\t\t" + this .getRent(); } } |
主类
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import java.util.*; public class Initial { public static void main(String[] args) { //对各类车实例化并保存到cars数组 Car[] cars={ new PassageCar( "奥迪A4" , 4 , 500 ), new PassageCar( "马自达6" , 4 , 400 ), new Pickup( "皮卡雪6" , 4 , 2 , 450 ), new PassageCar( "金龙" , 20 , 800 ), new Truck( "松花江" , 4 , 400 ), new Truck( "依维柯" , 20 , 1000 )}; System.out.println( "****欢迎使用达达租车系统!****" ); System.out.println( "****您确认租车吗?****" + "\n" + "是(请输入1) \t 否(请输入2)" ); Scanner in1= new Scanner(System.in); int is=in1.nextInt(); if (is!= 1 ){ System.out.println( "****欢迎下次光临!****" ); System.exit( 0 ); } if (is== 1 ){ System.out.println( "****您可租车的类型及价目表****" ); System.out.println( "序号" + "\t车名" + "\t载客数(人)" + "\t载货量(吨)" + "\t日租金(元/天)" ); //使用循环方式将各类车输出 for ( int i= 0 ;i<cars.length;i++){ System.out.println((i+ 1 )+ "\t" +cars[i]); } System.out.println( "****请输入您的租车数量:****" ); int num1=in1.nextInt(); Car[] rentcar= new Car[num1]; int price= 0 ; //总价格 int totalpeople= 0 ; //总人数 int totalloads= 0 ; //总载货量 for ( int i= 0 ;i<num1;i++){ System.out.println( "****请输入第" +(i+ 1 )+ "辆车的序号:****" ); int numx=in1.nextInt(); rentcar[i]=cars[numx- 1 ]; } System.out.println( "****请输入天数:****" ); int day=in1.nextInt(); for ( int i= 0 ;i<num1;i++){ price=price+rentcar[i].rent *day; } System.out.println( "****您的账单:****" ); System.out.println( "已选载人车:" ); for ( int i= 0 ;i<num1;i++){ if (rentcar[i].people!= 0 ){ System.out.println(rentcar[i].name+ "\t" ); } totalpeople=totalpeople+rentcar[i].people; } System.out.println( '\n' ); System.out.println( "已选载货车:" ); for ( int i= 0 ;i<num1;i++){ if (rentcar[i].loads!= 0 ){ System.out.println(rentcar[i].name+ "\t" ); } totalloads=totalloads+rentcar[i].loads; } System.out.println( '\n' ); System.out.println( "共载客:" +totalpeople+ "人" ); System.out.println( "共载货:" +totalloads+ "吨" ); System.out.println( "租车总价格:" +price+ "元" ); System.out.println( '\n' ); System.out.println( "****感谢您的惠顾,欢迎再次光临!****" ); } } } |
到此这篇关于Java实现汽车租赁系统的文章就介绍到这了。希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/weixin_39783156/article/details/114348111