大神帮忙看看还有什么需要改进，thanks
package com.dadazuche2;
public class Car {
int id;
String carName;
float pay;
int setNum;
int loadNum;
static String lieXing;
public Car(int id,String carName,String lieXing,int setNum,int loadNum,float pay){
this.id=id;
this.carName=carName;
this.pay=pay;
this.setNum=setNum;
this.loadNum=loadNum;
}
public Car(int id2, String carName2, int setNum2, int loadNum2, float pay2) {
// TODO Auto-generated constructor stub
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getCarName() {
return carName;
}
public void setCarName(String carName) {
this.carName = carName;
}
public float getPay() {
return pay;
}
public void setPay(float pay) {
this.pay = pay;
}
public int getSetNum() {
return setNum;
}
public void setSetNum(int setNum) {
this.setNum = setNum;
}
public int getLoadNum() {
return loadNum;
}
public void setLoadNum(int loadNum) {
this.loadNum = loadNum;
}
public void infoshow() {
}
}package com.dadazuche2;
public class KeChe extends Car {
public final String leiXing="客车";
public KeChe(int id, String carName, String lieXing,int setNum,int loadNum, float pay) {
super(id, carName, lieXing,setNum,loadNum, pay);
}
public void infoshow() {
System.out.println(id+"\t\t"+carName+"\t\t"+leiXing+"\t\t"+setNum+"人"+"\t\t\t\t"+pay+"元/天");
}
}
package com.dadazuche2;
public class HuoChe extends Car {
public final String leiXing="货车";
public HuoChe(int id, String carName, String lieXing,int setNum, int loadNum, float pay) {
super(id, carName,lieXing,setNum, loadNum, pay);
}
public void infoshow() {
System.out.println(id+"\t\t"+carName+"\t\t"+leiXing+"\t\t"+loadNum+"吨"+"\t\t\t\t"+pay+"元/天");
}
}
package com.dadazuche2;
public class PkChe extends Car {
public final String leiXing="皮卡";
public PkChe(int id, String carName, String lieXing, int setNum, int loadNum, float pay) {
super(id, carName,lieXing, setNum, loadNum, pay);
}
public void infoshow() {
System.out.println(id+"\t\t"+carName+"\t\t"+leiXing+"\t\t"+loadNum+"吨"+"\t\t"+setNum+"人"+"\t\t"+pay+"元/天");
}
}
package com.dadazuche2;
import java.util.Scanner;
public class Inner {
private static Scanner input;
public static void main(String[] args) {
float sum=0;
Car[] car={new KeChe(1,"奥迪A6","客车",5,0,200),new KeChe(2,"保时捷A6L","客车",5,0,200),
new HuoChe(3,"依维柯","货车",0,10,400),new PkChe(4,"金龙","皮卡",8,3,400)};
input = new Scanner(System.in);
System.out.println("***************欢迎来到dada租车系统***************");
System.out.println("是否真的租车？是1否0 请输入：");
int userIn=input.nextInt();
if(userIn==1){
System.out.println("租车信息列表如下：");
System.out.println("车牌号："+"\t\t"+"车名字："+"\t\t"+"车型："+"\t\t"+"载货量(座位数)："+"\t\t\t"+"价钱：");
for(int i=0;i<car.length;i++){
car[i].infoshow();
}
System.out.println("请输入车辆数");
int carNum=input.nextInt();
int[] carId=new int[100];
System.out.println("请输入车号");
for(int i=0;i<car.length;i++){
carId[i]=input.nextInt();
}
System.out.println("请输入使用天数");
int day=input.nextInt();
System.out.println("您的订单信息如下：");
System.out.println("车牌号："+"\t\t"+"车名字："+"\t\t"+"车型："+"\t\t"+"载货量(座位数)："+"\t\t\t"+"价钱：");
for(int i=0;i<car.length;i++){
for(int j=0;j<car.length;j++){
if(car[j].getId()==carId[i]){
car[j].infoshow();
sum= sum+car[j].getPay();
}
}
}
System.out.println(sum);
System.out.println("用车辆数"+carNum+"用车天数"+day);
System.out.println("总费用："+sum*day);
}else{
System.out.println("欢迎下次光临dada租车系统！");
}
}
}
