JAVA入门第二季答答租车系统

父类
package com.imooc;

public abstract class Car {
int xuhao;
String name;
int price;
int zairen;
int zaihuo;
public abstract void chengren();
public abstract void chenghuo();
}

子类
package com.imooc;

public class xiaoqiche extends Car {

@Override
public void chenghuo() {
    // TODO Auto-generated method stub

}

@Override
public void chengren() {
    // TODO Auto-generated method stub
    System.out.println(xuhao + ".\t" + name + "\t" +price + "元/天\t" + zairen + "人");
}

}

package com.imooc;

public class bus extends Car {

@Override
public void chenghuo() {
    // TODO Auto-generated method stub
    System.out.println(xuhao + ".\t" + name + "\t" +price + "元/天\t" + zaihuo + "吨");
}

@Override
public void chengren() {
    // TODO Auto-generated method stub

}

}

package com.imooc;

public class pica extends Car {

@Override
public void chenghuo() {
    // TODO Auto-generated method stub

}

@Override
public void chengren() {
    // TODO Auto-generated method stub
    System.out.println(xuhao + ".\t" + name + "\t" +price + "元/天\t" + zairen + "人" + zaihuo + "吨");
}

}

测试类
package com.imooc;
import java.util.Scanner;
public class Test {

/**
 * @param args
 */
public static void main(String[] args) {
    // TODO Auto-generated method stub
    Car a1 = new xiaoqiche();
    Car a2 = new xiaoqiche();
    Car a3 = new pica();
    Car a4 = new xiaoqiche();
    Car a5 = new bus();
    Car a6 = new bus();
    a1.xuhao = 1;
    a1.name = "奥迪A4";
    a1.price = 500;
    a1.zairen = 4;
    a2.xuhao = 2;
    a2.name = "马自达6";
    a2.price = 400;
    a2.zairen = 4;
    a3.xuhao = 3;
    a3.name = "皮卡雪6";
    a3.price = 450;
    a3.zairen = 4;
    a3.zaihuo = 2;
    a4.xuhao = 4;
    a4.name = "金龙";
    a4.price = 800;
    a4.zairen = 20;
    a5.xuhao = 5;
    a5.name = "松花江";
    a5.price = 400;
    a5.zaihuo = 4;
    a6.xuhao = 6;
    a6.name = "依维柯";
    a6.price = 1000;
    a6.zaihuo = 20;

    System.out.println("欢迎使用答答租车系统：");
    System.out.println("您是否要租车：1 是 0否");
    Scanner scanner = new Scanner(System.in);
    int flag = scanner.nextInt();
    if(flag == 1){
        System.out.println("您可租车的类型及价目表：");
    }else {
        System.out.println("欢迎您再来！");
    }
    if(flag == 1){
    System.out.println("序号"+"\t"+"汽车名称"+"\t"+"租金"+"\t"+"容量"+"\t");
    a1.chengren();
    a2.chengren();
    a3.chengren();
    a4.chengren();
    a5.chenghuo();
    a6.chenghuo();
    System.out.println("请输入您要租汽车的数量：");
    Scanner scanner2 = new Scanner(System.in);
    int flag2 = scanner2.nextInt();
    int[] a = new int[flag2];
    for(int i=1;i<=flag2;i++){
        System.out.println("请输入第"+i+"辆车的序号：");
        a[i-1] = scanner2.nextInt();
    }
    System.out.println("请输入租车天数：");
    int b = scanner2.nextInt();
    System.out.println(b);
    System.out.println("您的账单：");

    int x = 0;
    double y = 0;
    double z = 0;
    int zr = 0;
    int zh = 0;
    for(int i = 1;i<=flag2;i++){
        switch(a[i-1]){
            case 1:zr+=1;x+=a1.zairen;z+=a1.price;break;
            case 2:zr+=1;x+=a2.zairen;z+=a2.price;break;
            case 3:zr+=1;zh+=1;x+=a3.zairen;y+=a3.zaihuo;z+=a3.price;break;
            case 4:zr+=1;x+=a4.zairen;z+=a4.price;break;
            case 5:zh+=1;y+=a5.zaihuo;z+=a5.price;break;
            case 6:zh+=1;y+=a6.zaihuo;z+=a6.price;break;
        }
    }
    String[] ZR = new String[zr];
    String[] ZH = new String[zh];
    int q = 0;
    int p = 0;
    for(int i =1;i<=flag2;i++){
        switch(a[i-1]){
        case 1:q++;ZR[q-1]=a1.name; break; 
        case 2:q++;ZR[q-1]=a2.name;break; 
        case 3:q++;ZR[q-1]=a3.name;p++;ZH[p-1]=a3.name;break; 
        case 4:q++;ZR[q-1]=a4.name;break; 
        case 5:p++;ZH[p-1]=a5.name;break; 
        case 6:p++;ZH[p-1]=a6.name;break; 
        default:break;
        }
    }
    System.out.println("***可载人的车有：");
    for(int i=1;i<=zr;i++){
        System.out.print(ZR[i-1]+"\t");
        } 
    System.out.println(" 共载人："+x+"人"); 
    System.out.println("***可载货的车有：");
    for(int i=1;i<=zh;i++){
        System.out.print(ZH[i-1]+"\t");
        } 
    System.out.println(" 共载货："+y+"吨"); 
    System.out.println("***租车总价格："+z*b+"元"); 

    }
}

}

输入结果：
欢迎使用答答租车系统：
您是否要租车：1 是 0否
1
您可租车的类型及价目表：
序号 汽车名称 租金 容量

1. 奥迪A4 500元/天 4人
2. 马自达6 400元/天 4人
3. 皮卡雪6 450元/天 4人2吨
4. 金龙 800元/天 20人
5. 松花江 400元/天 4吨
6. 依维柯 1000元/天 20吨
   请输入您要租汽车的数量：
   4
   请输入第1辆车的序号：
   1
   请输入第2辆车的序号：
   2
   请输入第3辆车的序号：
   3
   请输入第4辆车的序号：
   4
   请输入租车天数：
   3
   您的账单：
   可载人的车有：
   奥迪A4 马自达6 皮卡雪6 金龙 共载人：32人
   可载货的车有：
   皮卡雪6 共载货：2.0吨
   ***租车总价格：6450.0元