父类

package com.java_9;

public abstract class ZongChe {

public String name;//名字

public int xulie;//序号

public double money;//钱数

public ZongChe(int xulie,String name,double money){

this.name=name;

this.money=money;

this.xulie=xulie;

}

public void xinxi(){

System.out.println(xulie+"\t"+name+"\t"+money+"元/天");

}

}

货车子类

package com.java_9;

public class HuoChe extends ZongChe{

public int zaihuo;//载货量

public HuoChe(int xulie,String name,double money,int zaihuo){

super(xulie,name,money);

this.zaihuo=zaihuo;

}

public void xinxi(){

System.out.println(xulie+"\t"+name+"\t"+money+"元/天\t载货"+zaihuo+"吨");

}

}

客车子类

package com.java_9;

public class KeChe extends ZongChe{

public int zaike;//载人数

public KeChe(int xulie,String name,double money,int zaike){

super(xulie,name,money);

this.zaike=zaike;

}

public void xinxi(){

System.out.println(xulie+"\t"+name+"\t"+money+"元/天\t载客"+zaike+"人");

}

}

皮卡子类

package com.java_9;

public class PiKa extends ZongChe{

public int pihuo;

public int pike;

public PiKa(int xulie,String name,double money,int pihuo,int pike){

super(xulie,name,money);

this.pihuo=pihuo;

this.pike=pike;

}

public void xinxi(){

System.out.println(xulie+"\t"+name+"\t"+money+"元/天\t 载客"+pike+"人\t载货"+pihuo+"吨");

}

}

管理类和测试类

package com.java_9;

import java.util.Scanner;

public class ZongLei {

public ZongChe z;

public void arr(ZongChe z){

this.z=z;

}

public void ass(){

z.xinxi();

}

public static void main(String[] args) {

Scanner input =new Scanner(System.in);

ZongLei zong=new ZongLei();

ZongChe[] shu=new ZongChe[6];

shu[0]=(new HuoChe(1,"小货车",600,6));

shu[1]=(new HuoChe(2,"中货车",900,10));

shu[2]=(new KeChe(3,"小客车",500,5));

shu[3]=(new KeChe(4,"中客车",800,7));

shu[4]=(new KeChe(5,"大客车",1200,20));

shu[5]=(new PiKa(6,"福特皮卡",800,4,4));

System.out.println("欢迎使用滴滴租车系统：");

System.out.println("是否要租车：（1是 0否）");

int a=input.nextInt();

if(a==1){

System.out.println("您可租车价目表：");

System.out.println("序号\t汽车名称\t租金\t\t容量");

for(int i=0;i<shu.length;i++){

zong.arr(shu[i]);

zong.ass();

}

System.out.println("请输入你要租车的数量：");

int b=input.nextInt();

ZongChe[] shu2=new ZongChe[b];

for(int j=0;j<b;j++){

System.out.println("请输入第"+(j+1)+"辆车的序号：");

int c=input.nextInt();

shu2[j]=shu[c-1];

}

System.out.println("请输入租车天数：");

int d=input.nextInt();

System.out.println("您的账单有：");

System.out.println("**********载人车有：");

int ren=0;

for(ZongChe f:shu2){

if(f.xulie==3||f.xulie==4||f.xulie==5){

System.out.print(f.name+"  ");

ren+=((KeChe)f).zaike;

}else if(f.xulie==6){

System.out.print(f.name+"  ");

ren+=((PiKa)f).pike;

}

}

System.out.print("总载客数是："+ren);

System.out.println("\n**********载货车有：");

int huo=0;

for(ZongChe s:shu2){

if(s.xulie==1||s.xulie==2){

System.out.print(s.name+"  ");

huo+=((HuoChe)s).zaihuo;

}else if(s.xulie==6){

System.out.print(s.name+"  ");

huo+=((PiKa)s).pihuo;

}

}

System.out.print("载货总重："+huo+"吨");

double qian=0;

for(ZongChe a1:shu2){

qian+=a1.money;

}

qian=qian*d;

System.out.print("\n*****租车总金额："+qian);

}else{

System.out.println("再见");

}

}

}