本文實例為大家分享了java實現租車系統demo，供大家參考，具體內容如下
這也是參考了mooc上的一個基礎項目，所以拿來寫一下。不過我的demo肯定有不好或者錯誤的地方，歡迎指出
1、項目功能/需求
a、展示所有可租車輛
b、選擇車型、租車量
c、展示租車清單，包含：總金額、總載貨量、總載客量
2、項目系統uml圖
3、項目源碼demo
car類
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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(double volume) { this.volume = volume; }} |
truck類
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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類
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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類
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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; }} |
測試類
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package car.rental;import java.util.scanner;public class main_car { public static void main(string[] args) { // todo auto-generated method stub /*****創建車對象*******/ /*car tru=new truck("拉絲貨車",200,1.1); car coa=new coach("法法客車",150,20); car pic=new pickup("無名皮卡車",300,4,0.5);*/ car[] allcar= {new truck("拉絲貨車",200,1.1),new coach("法法客車",150,20), new pickup("無名皮卡車",300,4,0.5)}; system.out.println("請問您是否要租車：1.是 2.否"); scanner scan=new scanner(system.in); string input=scan.next(); if(input.equals("1")) { int all_rent = 0;//總租金 int all_passenger=0;//總載客 double all_volume=0.0;//總載貨 system.out.println("您可租車的類型及其價目"); system.out.println("序號\t汽車名稱\t租金\t容量\t"); for(int i=0;i<allcar.length;i++) { if(allcar[i] instanceof truck) { system.out.println((i+1)+"\t"+allcar[i].getname()+"\t"+allcar[i].getrent()+"\t"+"載貨："+allcar[i].getvolume()); } if(allcar[i] instanceof coach) { system.out.println((i+1)+"\t"+allcar[i].getname()+"\t"+allcar[i].getrent()+"\t"+"載客："+allcar[i].getpassenger()); } if(allcar[i] instanceof pickup) { system.out.println((i+1)+"\t"+allcar[i].getname()+"\t"+allcar[i].getrent()+"\t"+"載客："+allcar[i].getpassenger()+"載貨："+allcar[i].getvolume()); } } system.out.println("請輸入您要租車的數量"); int sum=scan.nextint(); int car_order; for(int j=0;j<sum;j++) { system.out.print("你要租的第"+(j+1)+"輛車的序號是："); 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("您的總租金是："+all_rent); system.out.println("您的總載貨是:"+all_volume); system.out.println("您的總載客是："+all_passenger); } }} |
4、項目命令行演示結果
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://blog.csdn.net/w_linux/article/details/79181092
