帮忙看一下我写的有没有问题 谢谢
车类
package com.DiDiCar;
public abstract class Car {
private String carName; //车名
private int carId; //车ID
private float price; //租价
private float carCargo; //载货量
private int carPerson; //载客量
public abstract void showInfo(); // 显示车信息
public String getCarName() {
return carName;
}
public void setCarName(String carName) {
this.carName = carName;
}
public int getCarId() {
return carId;
}
public void setCarId(int carId) {
this.carId = carId;
}
public float getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
public float getCarCargo() {
return carCargo;
}
public void setCarCargo(int carCargo) {
this.carCargo = carCargo;
}
public int getCarPerson() {
return carPerson;
}
public void setCarPerson(int carPerson) {
this.carPerson = carPerson;
}
}汽车类
package com.DiDiCar;
public class Automobile extends Car {
private String carName; //车名
private int carId; //车ID
private float price; //租价
private int carPerson; //载客量
public Automobile(String carName, int carId, int price, int carPerson) {
super();
this.carName = carName;
this.carId = carId;
this.price = price;
this.carPerson = carPerson;
}
@Override
public void showInfo() {
// TODO Auto-generated method stub
System.out.println(getCarId()+"."+'\t' + getCarName() + '\t' +getPrice() +"元/天" + '\t' + "载人："+getCarPerson() +"人");
}
public String getCarName() {
return carName;
}
public void setCarName(String carName) {
this.carName = carName;
}
public int getCarId() {
return carId;
}
public void setCarId(int carId) {
this.carId = carId;
}
public float getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
public int getCarPerson() {
return carPerson;
}
public void setCarPerson(int carPerson) {
this.carPerson = carPerson;
}
}货车类
package com.DiDiCar;
public class Truck extends Car {
private String carName; //车名
private int carId; //车ID
private float price; //租价
private float carCargo; //载货量
public Truck(String carName, int carId, int price, int carCargo) {
super();
this.carName = carName;
this.carId = carId;
this.price = price;
this.carCargo = carCargo;
}
@Override
public void showInfo() {
// TODO Auto-generated method stub
System.out.println(getCarId()+"."+'\t' + getCarName() + '\t' +getPrice() +"元/天" + '\t' + "载货："+getCarCargo() +"吨");
}
public String getCarName() {
return carName;
}
public void setCarName(String carName) {
this.carName = carName;
}
public int getCarId() {
return carId;
}
public void setCarId(int carId) {
this.carId = carId;
}
public float getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
public float getCarCargo() {
return carCargo;
}
public void setCarCargo(int carCargo) {
this.carCargo = carCargo;
}
}皮卡车类
package com.DiDiCar;
public class Pickup extends Car {
private String carName; //车名
private int carId; //车ID
private float price; //租价
private float carCargo; //载货量
private int carPerson; //载客量
public Pickup(String carName, int carId, int price, int carCargo,
int carPerson) {
super();
this.carName = carName;
this.carId = carId;
this.price = price;
this.carCargo = carCargo;
this.carPerson = carPerson;
}
@Override
public void showInfo() {
// TODO Auto-generated method stub
System.out.println(getCarId()+"."+'\t' + getCarName() + '\t' +getPrice() +"元/天" + '\t' + "载人："+getCarPerson() +"人"+"载货："+getCarCargo() +"吨");
}
public String getCarName() {
return carName;
}
public void setCarName(String carName) {
this.carName = carName;
}
public int getCarId() {
return carId;
}
public void setCarId(int carId) {
this.carId = carId;
}
public float getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
public float getCarCargo() {
return carCargo;
}
public void setCarCargo(int carCargo) {
this.carCargo = carCargo;
}
public int getCarPerson() {
return carPerson;
}
public void setCarPerson(int carPerson) {
this.carPerson = carPerson;
}
}实现
package com.DiDiCar;
import java.util.Scanner;
public class Realize {
public static void main(String[] args) {
// TODO Auto-generated method stub
//创建车辆对象数组，分别指向不同类型车辆
Car[] car ={new Automobile("奥迪A4",1,500,4),new Automobile("马自达6",2,400,4),new Pickup("皮卡雪6",3,450,2,4),new Automobile("金龙 ",4,800,20),new Truck("松花江",5,400,4),new Truck("依维河",6,1000,20)};
Scanner input = new Scanner(System.in);
System.out.println("*******************欢迎使用滴滴租车系统：*******************");
//显示租车信息
while (true)
{
System.out.println("您是否要租车：1 是 0 否");
int choise = input.nextInt();
if (choise == 0)
{
System.out.println("感谢您使用滴滴租车系统，再见！");
break;
}
else if (choise == 1) //进入系统
{
System.out.println("您可租车的类型及其价目表：");
System.out.println("序号" + '\t' + "汽车名称" + '\t' + "租金" + '\t' +"容量");
for(int i=0;i<car.length;i++)
{
car[i].showInfo(); //显示车的信息
}
break;
}
else //输入错误，从新输入
{
System.out.println("您的输入信息有误，请从新输入：");
}
}
//输入租车数量、种类、日期
System.out.println("请输入您要租汽车的数量：");
int num = input.nextInt(); //租车数量
if(num>10||num<1)
{
System.out.println("超出租车数量范围，请从新输入：");
num = input.nextInt();
}
Car[] carChoice = new Car[num]; //客户选择的车辆对象数组
for(int i=0;i<carChoice.length;i++)
{
System.out.println("请输入第"+(i+1)+"辆车的序号：");
int carNum = input.nextInt(); //客户选择的车序号
if(carNum>6||carNum<1)
{
System.out.println("输入有误，请从新输入：");
carNum = input.nextInt();
}
carChoice[i] = car[carNum-1];
}
System.out.println("请输入租车天数：");
int Day = input.nextInt(); //租车天数
if(Day>30||Day<1)
{
System.out.println("输入有误，请从新输入：");
Day = input.nextInt();
}
//计算并显示账单
int totalCarPerson=0; //总的载客量
float totalCarCargo=0; //总的载货量
float dayPrice=0; //每天的租金
float totalPrice=0; //总价
System.out.println("*******************您的账单：*******************");
System.out.println("*******可载人车有：");
for(int i=0;i<carChoice.length;i++)
{
if(carChoice[i] instanceof Automobile||carChoice[i] instanceof Pickup)
{
System.out.print('\t'+carChoice[i].getCarName());
totalCarPerson += carChoice[i].getCarPerson();
}
dayPrice += carChoice[i].getPrice();
}
System.out.println('\t'+"共载人："+totalCarPerson+"人");
System.out.println("*******可载货车有：");
for(int i=0;i<carChoice.length;i++)
{
if(carChoice[i] instanceof Truck||carChoice[i] instanceof Pickup)
{
System.out.print('\t'+carChoice[i].getCarName());
totalCarCargo += carChoice[i].getCarCargo();
}
}
System.out.println('\t'+"共载货："+totalCarCargo+"吨");
totalPrice = dayPrice*Day;
System.out.println("********租车总价格："+totalPrice+"元");
input.close();
}
}
