java简单租车系统 慕课手记_JAVA入门第二季 租车系统练习

花了4天才搞定！第一次啊，我的思路是，汽车是个抽象的父类拥有基本的属性

2个接口，一个载人，一个载货；然后是3个子类，一个是客车继承父类汽车+载人接口；一个是货车继承父类汽车+载货接口；一个是皮卡继承父类+载人+载货2个接口；

代码如下：

父类汽车：

/*

车辆是个抽象类，

*/

package com.zuche;

public abstract class Car {

public int Num ;// 车辆编号

public String name; //车辆名字

public double price;// 车辆租金

}

2个接口：

package com.zuche;

//车辆载货属性的接口

public interface Cargo {

//载货量属性

public double catgoNum = 0;

}

package com.zuche;

//车辆载人属性的接口

public interface CarryPeople {

public int carry= 0 ;

}

3个子类：

package com.zuche;

//客车属于车具有载人属性

public class Passengercar extends Car implements CarryPeople {

public void passGercar(int Num ,String name,double price,int carry){

System.out.println(Num+". "+name+" "+price+"元/天 ,载人："+carry+"人");

}

}

package com.zuche;

//皮卡属于车 具有载人和载货的属性

public class Pickup extends Car implements Cargo, CarryPeople {

public void pickup(int Num ,String name,double price,int carry,double cargoNum){

System.out.println(Num+". "+name+" "+price+"元/天 ,载人："+carry+"人,载货："+cargoNum+"吨");

}

}

package com.zuche;

//火车属于车具有载货的属性

public class Truck extends Car implements Cargo {

public void truck(int Num ,String name,double price,double catgoNum){

System.out.println(Num+". "+name+" "+price+"元/天 ,载货："+catgoNum+"吨");

}

}

主程序：

package com.zuche;

import java.util.Scanner;

import java.util.*;

public class Zuchexitong {

public static void main(String[] args) {

System.out.println("欢迎使用嗒嗒租车系统：");

System.out.println("您是否要租车请按：1是，0否");

Scanner input = new Scanner(System.in);

int i = input.nextInt();

if(i == 1){

System.out.println("您可租车的类型及其价目表：");

System.out.print("序号 汽车名称 租金 ");

System.out.println(" 容量");

// TODO 自动生成的方法存根

Passengercar Audi = new Passengercar();

Audi.passGercar(1,"奥迪A4",500,5);

Passengercar MzDa = new Passengercar();

MzDa.passGercar(2,"马自达6",400,5);

Pickup piku = new Pickup();

piku.pickup(3,"皮卡雪6",450,5,2);

Passengercar Jinlong = new Passengercar();

Jinlong.passGercar(4, "金龙 ", 800, 20);

Truck SongHJ = new Truck();

SongHJ.truck(5, "松花江 ", 400, 4);

Truck YiWeKe = new Truck();

YiWeKe.truck(6, "依维柯 ", 1000, 20);

System.out.println("请输入您要的汽车数量：");

Scanner jnput = new Scanner(System.in);

int j = jnput.nextInt();

int[] nums =new int[j];

int k=0;

int f =1;

do{

System.out.println("请输入第"+f+"辆车的序号");

Scanner knput = new Scanner(System.in);

nums[k]=knput.nextInt();

if(nums[k]<7&&nums[k]>0){

f++;

k++;

}else{

System.out.println("请重新输入：");

System.out.println("请输入第"+f+"辆车的序号");

Scanner rnput = new Scanner(System.in);

nums[k]=rnput.nextInt();

f++;k++;

}

}while(k

System.out.println("请输入租车天数：");

Scanner day = new Scanner(System.in);

int days = day.nextInt();

System.out.println("您的账单：");

System.out.println("***可载人的车有：");

int one=0,two =0, three =0,four =0,fife =0,six = 0;

for(int l=0;l

switch(nums[l]){

case 1 :

one++;

break;

case 2 :

two++;

break;

case 3:

three++;

break;

case 4:

four++;

break;

case 5:

fife++;

break;

case 6:

six++;

break;

}

}

if(one>0)

System.out.print("\t奥迪A4 X"+one);

if(two>0)

System.out.print("\t马自达 X"+two);

if(three>0)

System.out.print("\t皮卡雪 X"+three);

if(four>0)

System.out.print("\t金龙 X"+four);

int people= (one+two+three)*5+four*20;

System.out.println("\t共载人数为："+people+"人");

System.out.println("***可载货的车有：");

if(three>0)

System.out.print("\t皮卡雪 X"+three);

if(fife>0)

System.out.print("\t松花江 X"+fife);

if(six>0)

System.out.print("\t松花江 X"+six);

int dun =three*2+fife*4+six*20;

System.out.println("\t共载货："+dun+"吨");

int Price= (one*500+two*400+three*450+four*800+fife*400+six*1000)*days;

System.out.println("***租车总价格："+Price+"元，共"+days+"天。");

System.out.println("******谢谢惠顾！******");

}else System.out.println("欢迎下次再来！");

}

}

运行结果