main

import java.util.Scanner;

public class text {

public static void main(String[] args) {

car car1=new car(1,"宝马",4,400);//为什么写成dada car1=new car(1,"宝马",4,400);就报错

truck truck1=new truck(2,"景龙",2000,500);

pickup pickup1=new pickup(3,"皮卡",4,1000,600);

System.out.println("欢迎使用哒哒租车系统！");

// TODO Auto-generated method stub

        System.out.println("你是否要租车？是1，否0");

        Scanner in = new Scanner(System.in);

         int i = in.nextInt();

         if(i==0){

        System.out.println("欢迎下次光临！") ;

         }

         else{

        System.out.println("你可以租车的类型及其价目表：");

        System.out.println("序号           "+"汽车             "+"容量                   "+"租金            ");

        car1.getcar();

            truck1.gettruck();

            pickup1.getpickup();

         System.out.println("请输入你想租借的车序号");

         Scanner or = new Scanner(System.in);

         int order = in.nextInt();

         System.out.println("请输入你想租借天数");

         Scanner nu = new Scanner(System.in);

         int number = in.nextInt();

         switch(order){

         case 1: System.out.println("总费用为："+400*number);break;

         case 2: System.out.println("总费用为："+500*number);break;

         case 3: System.out.println("总费用为："+600*number);break;

         }

}

}

}

dada类

public class dada {

String name;

int rent;

   int people;

   int goods;

   int order;

   public int getpeople(){

  return people;

  }

   public int getgoods() {

  return goods;

  }

   public String getname() {

  return name;

  }

   public int  getrent() { 

  return rent;

  }

   public int  getorder() {

  return order;

  }

}

car类

public class car extends dada {

public car(int o,String n,int p,int r ){

order=o;

name=n;

people=p;

rent=r;

}

    public void getcar(){

    System.out.println(order+"     "+name+"       "+people+"        "+rent+" ");

    }

}

pickup类

public class pickup extends dada {

public pickup(int o,String n,int g,int p,int r ){

order=o;

name=n;

goods=g;

people=p;

rent=r;

}

    public void getpickup(){

    System.out.println(order+"     "+name+"       "+goods+"/"+people+"    "+rent+" ");

    }

}

truck类

public class truck extends dada {

public truck(int o,String n,int g,int r ){

order=o;

name=n;

goods=g;

rent=r;

}

    public void gettruck(){

    System.out.println(order+"     "+name+"         "+goods+"     "+rent+" ");

    }

}