达达租车系统系列（简易版）

package carRent;

import java.util.Scanner;

public class ShopTest {

public static void main(String[] args) {
    Car[] cars={new AodiA4("奥迪A4",500,6),
                   new Pika6("皮卡雪6",450,4,2),
                   new Yiweike("依维柯",1000,20)};

  System.out.println("欢迎使用V租车系统：");
  System.out.println("\n您是否需要租车：1是    0否\n");
  Scanner scan=new Scanner(System.in);
  int input=scan.nextInt();

  if(input==1){ 
      double totalcargoCapacity=0;
      int totalpeopleCapacity=0;
      System.out.println("您可租车的类型及其价目表：");
      System.out.println("序号\t"+"汽车名称\t\t"+"租金\t\t"+"容量");
      int num=1;
      for(Car currentCar:cars){ //循环遍历foreach
          if(currentCar instanceof AodiA4){ 
              System.out.println( 
                    "NO、"+num+"\t"+currentCar.getName()+"\t\t"
                    +currentCar.getRent()+"元/天"+"\t"
                    +currentCar.getPeopleCapacity()+"人");
              num++;
          }
          if(currentCar instanceof Yiweike){ 
              System.out.println( 
                    "NO、"+num+"\t"+currentCar.getName()+"\t\t"
                    +currentCar.getRent()+"元/天"+"\t"
                    +currentCar.getCargoCapacity()+"吨");
              num++;
          }
          if(currentCar instanceof Pika6){ 
              System.out.println( 
                    "NO、"+num+"\t"+currentCar.getName()+"\t\t"
                    +currentCar.getRent()+"元/天"
                    +"\t"+currentCar.getPeopleCapacity()+"人" 
                    +"\t"+currentCar.getCargoCapacity()+"吨");
              num++;
          }
      }

      int totalDailyMoney=0;
 while(true){ System.out.println("请输入您要租车的数量：");
  Scanner wqq=new Scanner(System.in);
  int n=wqq.nextInt();
  if(n>0&&n<20){
  int[] cnum=new int[n];
  for(int i=1;i<=n;i++){ 
      System.out.println("请输入第"+i+"辆车的序号：");
      Scanner xuhao=new Scanner(System.in);
      int number=xuhao.nextInt();
      cnum[i-1]=number-1;

      totalDailyMoney+=cars[number-1].getRent();
      totalpeopleCapacity+=cars[number-1].getPeopleCapacity();
      totalcargoCapacity+=cars[number-1].getCargoCapacity();
  }
  System.out.println("您总共选择车辆:"+n+"辆");
  System.out.println("所需金钱:"+totalDailyMoney+"元/天");
  System.out.println("总载客量:"+totalpeopleCapacity+"人");
  System.out.println("总载货量:"+totalcargoCapacity+"吨");
  System.out.println("请输入您需要租车的天数：");
  Scanner nt=new Scanner(System.in);
  int nday=nt.nextInt();
  System.out.println("您的帐单：");
  System.out.println("\t总共花费:"+totalDailyMoney*nday+"元");
  break;
  } 
  else{ 
      System.out.println("您的输入有误，请重新输入");
  } 
 }
}
  else 
{
     System.out.println("V租车系统期待您的光临");
}

}

}

package carRent;

public class Car {
public String name;
public double rent;
public double peopleCapacity;
public double cargoCapacity;

  public String getName(){ 
      return name;
  }
public void setName(String name){
    this.name=name;
}   

  public double getRent(){ 
      return rent;
  }
public void setRent(double rent){
    this.rent=rent;
}

  public double getPeopleCapacity(){ 
    return peopleCapacity;
}
public void setPeopleCapacity(double peopleCapacity){
    this.peopleCapacity=peopleCapacity;

}   

public double getCargoCapacity(){ 
    return cargoCapacity;
}
public void setCargoCapacity(double cargoCapacity){ 
    this.cargoCapacity=cargoCapacity;
}

}

package carRent;

public class AodiA4 extends Car{
private double peopleCapacity;
public AodiA4(String name,double rent,double peopleCapacity){
this.name=name;
this.rent=rent;
this.peopleCapacity=peopleCapacity;
}
public double getPeopleCapacity(){
return peopleCapacity;
}
public void setPeopleCapacity(double peopleCapacity){
this.peopleCapacity=peopleCapacity;
}
}

package carRent;

public class Yiweike extends Car{
private double cargoCapacity;
public Yiweike(String name,double rent,double cargoCapacity){
this.name=name;
this.rent=rent;
this.cargoCapacity=cargoCapacity;
}
public double getCargoCapacity(){
return cargoCapacity;
}
public void setCargoCapacity(double cargoCapacity){
this.cargoCapacity=cargoCapacity;
}
}

package carRent;

public class Pika6 extends Car{
private double cargoCapacity;
private double peopleCapacity;
public Pika6(String name,double rent,double peopleCapacity,double cargoCapacity){
this.name=name;
this.rent=rent;
this.peopleCapacity=peopleCapacity;
this.cargoCapacity=cargoCapacity;
}
public double getCargoCapacity(){
return cargoCapacity;
}
public void setCargoCapacity(double cargoCapacity){
this.cargoCapacity=cargoCapacity;
}
public double getPeopleCapacity(){
return peopleCapacity;
}
public void setPeopleCapacity(double peopleCapacity){
this.peopleCapacity=peopleCapacity;
}
}