RentCar类：输入租车数组，并实现租车过程
package com.imooc.RentCarSystem;
import java.util.*;
public class RentCar {
Scanner input = new Scanner(System.in);
public static void main(String[] args) {
//生成一个引用变量数组存放可以出租的车辆
ACar[] V = new ACar[6];
V[0] = new SaloonCar("奥迪A4",500,4);
V[1] = new SaloonCar("马自达6",400,4);
V[2] = new PickUp("皮卡雪6",450,4,2);
V[3] = new Bus("金龙",800,20);
V[4] = new Van("松花江",400,4);
V[5] = new Truck("依维柯",1000,20);
RentCar rent = new RentCar();
rent.startRent(V);
}
public void startRent(ACar[] cars) {
//询问用户是否要租车
System.out.println("欢迎使用租车系统");
System.out.println("请问您是否要租车: 1 是； 0 否");
if(input.nextInt() == 0) {
return;
}
//输出可租用车辆概览
System.out.println("您可租用的车辆类型及价目表：");
System.out.println("序号 汽车名称 租金 容量");
for(int i = 0; i < cars.length; i++) {
System.out.print((i+1) + ". ");
cars[i].getDescription();
}
//获取用户租车需求
System.out.println("请输入您要租用的汽车数量：");
int num = input.nextInt();
int[] indices = new int[num];
for(int i = 0; i < indices.length; i++) {
System.out.println("请输入租用的第" + (i+1) + "辆车辆的序号");
indices[i] = (input.nextInt() - 1);
}
System.out.println("请输入租车天数：");
int days = input.nextInt();
this.printBill(cars, indices, days);
}
public void printBill(ACar[] cars,int[] indices, int days){
System.out.println("您的账单：");
int sumP = 0;
int sumC = 0;
int fee = 0;
//输出可载人车辆的名称，以及载人数总和
System.out.println("***可载人的车辆***");
for(int index:indices) {
if(cars[index].getVolP() > 0) {
System.out.print(cars[index].getName() + " ");
sumP += cars[index].getVolP();
}
}
System.out.println("总载人数：" + sumP);
//输出可载货车辆的名称，以及总载货量
System.out.println("***可载货的车辆***");
for(int index:indices) {
if(cars[index].getVolC() > 0) {
System.out.print(cars[index].getName() + " ");
sumC += cars[index].getVolC();
}
}
System.out.println("总载货量：" + sumC + "吨");
//统计租车总价
for(int index:indices) {
fee += cars[index].getRent()*days;
}
System.out.println("租车总价格：" + fee);
}
}ACar类：Abstract类，作为所有车辆类的超类
package com.imooc.RentCarSystem;
public abstract class ACar {
private String name;//名称
private int rent;//租金
private int volP;//载人量
private int volC;//载货量
public ACar(String name, int rent) {
this.name = name;
this.rent = rent;
}
public abstract void getDescription();//此方法用来打印对象参数
//下面都是参数的getter和setter
public String getName() {
return name;
}
public int getRent() {
return rent;
}
public int getVolP() {
return volP;
}
public int getVolC() {
return volC;
}
public void setName(String name) {
this.name = name;
}
public void setRent(int rent) {
this.rent = rent;
}
public void setVolP(int volP) {
this.volP = volP;
}
public void setVolC(int volC) {
this.volC = volC;
}
}
SaloonCar类：轿车（载人<5）
package com.imooc.RentCarSystem;
public class SaloonCar extends ACar {
public SaloonCar(String name, int rent, int volP) {
super(name, rent);
if(volP <= 5 && volP > 0){
super.setVolP(volP);
} else {
super.setVolP(5);
System.out.println("输入的载人量不在指定范围内，载人量已被设为5");
}
setVolC(0);
}
public void getDescription() {
System.out.println(super.getName() + " "
+ super.getRent() + "元/一天 "
+ "载人：" + super.getVolP() + "人");
}
}
Bus类：大巴（载人＞10）
package com.imooc.RentCarSystem;
public class Bus extends ACar {
public Bus(String name, int rent, int volP){
super(name, rent);
if(volP >= 10){
super.setVolP(volP);
} else {
super.setVolP(10);
System.out.println("输入的载人量不在指定范围内，载人量已被设为10");
}
super.setVolC(0);
}
public void getDescription() {
System.out.println(super.getName() + " "
+ super.getRent() + "元/一天 "
+ "载人：" + super.getVolP() + "人");
}
}
PickUp类：皮卡车
package com.imooc.RentCarSystem;
public class PickUp extends ACar {
public PickUp(String name, int rent, int volP, int volC) {
super(name, rent);
super.setVolP(volP);
super.setVolC(volC);
}
public void getDescription() {
System.out.println(super.getName() + " "
+ super.getRent() + "元/一天 "
+ "载人：" + super.getVolP() + "人"
+ " 载货：" + super.getVolC() + "吨");
}
}
Van类：小货车（载货量＜5T）
package com.imooc.RentCarSystem;
public class Van extends ACar {
public Van(String name, int rent, int volC) {
super(name, rent);
if(volC <= 5 && volC >0) {
super.setVolC(volC);
} else {
super.setVolP(5);
System.out.println("输入的载货量不在指定范围内，载货量已被设为5");
}
super.setVolP(0);
}
public void getDescription() {
System.out.println(super.getName() + " "
+ super.getRent() + "元/一天 "
+ "载货：" + super.getVolC() + "吨");
}
}
Truck类：卡车（载货量5T~20T)
package com.imooc.RentCarSystem;
public class Truck extends ACar {
public Truck(String name, int rent, int volC) {
super(name, rent);
if(volC > 5 && volC <= 20) {
super.setVolC(volC);
} else {
super.setVolP(20);
System.out.println("输入的载货量不在指定范围内，载货量已被设为20");
}
super.setVolP(0);
}
public void getDescription() {
System.out.println(super.getName() + " "
+ super.getRent() + "元/一天 "
+ "载货：" + super.getVolC() + "吨");
}
}
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