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
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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类
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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类
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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类
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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; }
} |
测试类
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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 /*****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<allcar.length;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()); } 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<sum;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
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
原文链接：https://blog.csdn.net/w_linux/article/details/79181092