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根据各位大神的代码编的答答租车系统,希望能给些建议。

标签:
Java
package com.DADA;
\车的抽象类
public abstract class Vehicle {
private String car;
private int price;
public String getcar(){
return car;
}
public void setcar(String car){
this.car=car;
}
public int getprice(){
return price;
}
public void setprice(int price){
this.price=price;
}
}
package com.DADA;
\客车接口
public interface Izaike {
public void setzaikenum(int zaikenum);
public int getzaikenum();
}
package com.DADA;
\货车接口
public interface Izaizong {
public void setzaizongnum(int zaizongnum);
public int getzaizongnum();
}

package com.DADA;
\皮卡接口 继承了货车和客车的接口
public interface Ipk extends Izaike,Izaizong{

}

package com.DADA;
\客车类
public class keche extends Vehicle implements Izaike {
private int zaikenum;
public keche(String car,int price,int zaikenum){
this.setcar(car);
this.setprice(price);
this.setzaikenum(zaikenum);
}

@Override
public void setzaikenum(int zaikenum) {
    // TODO Auto-generated method stub
    this.zaikenum=zaikenum;
}

@Override
public int getzaikenum() {
    // TODO Auto-generated method stub
    return zaikenum;
}
}

package com.DADA;
\货车类
public class huoche extends Vehicle implements Izaizong {
private int zaizongnum;
public huoche(String car,int price,int zaizongnum){
this.setcar(car);
this.setprice(price);
this.setzaizongnum(zaizongnum);
}

@Override
public void setzaizongnum(int zaizongnum) {
    // TODO Auto-generated method stub
    this.zaizongnum=zaizongnum;
}

@Override
public int getzaizongnum() {
    // TODO Auto-generated method stub
    return zaizongnum;
}
}

package com.DADA;
\皮卡类
public class PiKa extends Vehicle implements Ipk {
private int zaikenum;
private int zaizongnum;
public PiKa(String car,int price,int zaikenum,int zaizongnum){
this.setcar(car);
this.setprice(price);
this.setzaikenum(zaikenum);
this.setzaizongnum(zaizongnum);
}

@Override
public void setzaikenum(int zaikenum) {
    // TODO Auto-generated method stub
    this.zaikenum=zaikenum;
}
@Override
public int getzaikenum() {
    // TODO Auto-generated method stub
    return zaikenum;
}
@Override
public void setzaizongnum(int zaizongnum) {
    // TODO Auto-generated method stub
    this.zaizongnum=zaizongnum;
}
@Override
public int getzaizongnum() {
    // TODO Auto-generated method stub
    return zaizongnum;
}
}

package com.DADA;
import java.util.*;
\答答租车系统
public class DADASystem {

public static void main(String[] args) {
    // TODO Auto-generated method stub
    int[] sumzaike=new int[5];
    double[] sumzaizong=new double[5];
    double[] sumprice=new double[5];
    String[] name=new String[5];
    int[] n=new int[5];
    int[] j=new int[5];
    keche kcar1=new keche("小型客车",100,8);
    keche kcar2=new keche("大型客车",300,20);
    huoche hcar1=new huoche("小型货车",200,5);
    huoche hcar2=new huoche("大型货车",500,20);
    PiKa car=new PiKa("皮卡",300,4,2);
    for(;;){
        System.out.println("欢迎使用答答租车系统");
        System.out.print("你是否要租车:1是  0否:");
        Scanner in = new Scanner(System.in);
        int choice = in.nextInt();
        if(choice==0){
            System.out.println("欢迎下次使用!"); 
            break;
        }else if(choice==1){
            System.out.println("你可租车的类型及其价格表:");
            System.out.println("序号\t汽车种类\t价格(元/天)\t功能");
            System.out.println("--------------------------------------");
            System.out.println(1+"\t"+kcar1.getcar()+"\t"+"  "+kcar1.getprice()+"\t\t"+"载人:"+kcar1.getzaikenum()+"人");
            System.out.println(2+"\t"+kcar2.getcar()+"\t"+"  "+kcar2.getprice()+"\t\t"+"载人:"+kcar2.getzaikenum()+"人");
            System.out.println(3+"\t"+hcar1.getcar()+"\t"+"  "+hcar1.getprice()+"\t\t"+"载重:"+hcar1.getzaizongnum()+"T");
            System.out.println(4+"\t"+hcar2.getcar()+"\t"+"  "+hcar2.getprice()+"\t\t"+"载重:"+hcar2.getzaizongnum()+"T");
            System.out.println(5+"\t"+car.getcar()+"\t"+"  "+car.getprice()+"\t\t"+"载人:"+car.getzaikenum()+"人"+""+"载重:"+car.getzaizongnum()+"T");
            System.out.println("--------------------------------------");
            System.out.println("接下来您将进行租车服务,如果租车完成请输入数字0结束!");
            int i;
            for(i=0;;i++){
                System.out.print("请输入一种所需车的序号:");
                int m = in.nextInt();
                if(m==0){
                    System.out.println();
                    System.out.println("谢谢使用。");
                    in.close();
                    break;
                }else if(m<0m>5){
                    System.out.println("指令有误!请输入正确的指令。"); 
                    i--;
                    continue; 
                }
                switch(m){
                case 1: name[i]=kcar1.getcar();
                        System.out.print("请输入该s车型您要租多少辆:");
                        n[i] = in.nextInt();
                        System.out.print("请输入该车型您要租多少天:");
                        j[i] = in.nextInt();
                        sumzaike[i]+=kcar1.getzaikenum()*n[i];
                        sumprice[i]+=kcar1.getprice()*n[i]*j[i];
                        break;
                case 2: name[i]=kcar2.getcar();
                        System.out.print("请输入该车型您要租多少辆:");
                         n[i] = in.nextInt();
                        System.out.print("请输入该车型您要租多少天:");
                         j[i] = in.nextInt();
                         sumzaike[i]+=kcar1.getzaikenum()*n[i];
                         sumprice[i]+=kcar1.getprice()*n[i]*j[i];
                         break;
                case 3: name[i]=hcar1.getcar();
                        System.out.print("请输入该车型您要租多少辆:");
                         n[i] = in.nextInt();
                        System.out.print("请输入该车型您要租多少天:");
                         j[i] = in.nextInt();
                         sumzaizong[i]+=hcar1.getzaizongnum();
                         sumprice[i]+=hcar1.getprice()*n[i]*j[i];
                         break;
                case 4: name[i]=hcar1.getcar();
                        System.out.print("请输入该车型您要租多少辆:");
                         n[i] = in.nextInt();
                        System.out.print("请输入该车型您要租多少天:");
                         j[i] = in.nextInt();
                         sumzaizong[i]+=hcar1.getzaizongnum();
                         sumprice[i]+=hcar1.getprice()*n[i]*j[i];
                         break;
                case 5: name[i]=car.getcar();
                        System.out.print("请输入该车型您要租多少辆:");
                         n[i] = in.nextInt();
                        System.out.print("请输入该车型您要租多少天:");
                         j[i] = in.nextInt();
                         sumzaike[i]+=car.getzaikenum()*n[i];
                         sumzaizong[i]+=car.getzaizongnum()*n[i];
                         sumprice[i]+=car.getprice()*n[i]*j[i];
                         break;
                }
            }
            System.out.println();
            System.out.println("----------------------------------------------");
            System.out.println("你的订单:");
            System.out.println("----------------------------------------------");
            System.out.println("汽车名称\t数量(辆)\t天数(天)\t可载人数/重量\t总租金");
            for(int l=0;l<i;l++){
                    System.out.println(name[l] + "\t"+" " + n[l] +"\t"+" "+ j[l] + "\t"+" " + sumzaike[l]+"/" +sumzaizong[l] + "\t\t" + sumprice[l]);
            }
            System.out.println("----------------------------------------------");
            double sum=0;
            for(double sumprices:sumprice){
                sum+=sumprices;
            }
            System.out.println("\t\t\t\t总金额(¥):" + sum);
            System.out.println("----------------------------------------------");
            System.out.println();
            System.out.println("感谢您使用答答租车系统!");
            in.close();
            break;
        }else{ 
            System.out.println("指令有误!请输入正确的指令。"); 
            continue; 
        }
    }

}

}

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