java 综合练习_JAVA入门第二季 6-1综合练习

冷不防 2022-11-12 02:48 138阅读 0赞

package com.demo.dada;

import java.util.Scanner;

public class Rent \{

public static void main(String\[\] args) \{

int input;

Scanner scanner = new Scanner(System.in);

// TODO Auto-generated method stub

for(;;)\{

Car\[\] daDaRent = \{new Truck(10,5,"解放",550),new autoMobile(10,5,"思域",200),new autoMobile(10,5,"雷凌",180),new Pickup(10,5,5,"福特",250)\};

System.out.println("欢迎来到Dada租车~");

System.out.println("确认租车请按1，退出请按0.");

input = scanner.nextInt();

if(input == 1)\{

for(int i=0;i

if(daDaRent\[i\] instanceof Truck)\{

System.out.println((i+1)+". "+daDaRent\[i\].getCarName()+" 拉货量："+((Truck)daDaRent\[i\]).getCargoLoad()+"吨"+" 剩余数量："+daDaRent\[i\].getCarCount()+"辆"+" 租金：￥"+daDaRent\[i\].getRent());

else if(daDaRent\[i\] instanceof autoMobile)\{

System.out.println((i+1)+". "+daDaRent\[i\].getCarName()+" 载客量："+((autoMobile)daDaRent\[i\]).getPersons()+"人"+" 剩余数量："+daDaRent\[i\].getCarCount()+"辆"+" 租金：￥"+daDaRent\[i\].getRent());

\}else\{

System.out.println((i+1)+". "+daDaRent\[i\].getCarName()+" 拉货量："+((Pickup)daDaRent\[i\]).getCargoLoad()+"吨"+" 载客量："+((Pickup)daDaRent\[i\]).getPersons()+"人"+" 剩余数量："+daDaRent\[i\].getCarCount()+"辆"+" 租金：￥"+daDaRent\[i\].getRent());

\}else if(input == 0)\{

System.out.println("成功退出！");

break;

// System.exit(0);

else\{

System.out.println("您的输入有误，请重新输入！");

continue;

input = scanner.nextInt();

switch(input)\{

case 1:

System.out.println("订单信息："+daDaRent\[input-1\].getCarName()+" 拉货量："+((Truck)daDaRent\[input-1\]).getCargoLoad()+"吨"+" 租金：￥"+daDaRent\[input-1\].getRent());

break;

case 2:

System.out.println("订单信息："+daDaRent\[input-1\].getCarName()+" 载客量："+((autoMobile)daDaRent\[input-1\]).getPersons()+"人"+" 租金：￥"+daDaRent\[input-1\].getRent());

break;

case 3:

System.out.println("订单信息："+daDaRent\[input-1\].getCarName()+" 载客量："+((autoMobile)daDaRent\[input-1\]).getPersons()+"人"+" 租金：￥"+daDaRent\[input-1\].getRent());

break;

default:

System.out.println("订单信息："+daDaRent\[input-1\].getCarName()+" 拉货量："+((Pickup)daDaRent\[input-1\]).getCargoLoad()+"吨"+" 载客量："+((Pickup)daDaRent\[input-1\]).getPersons()+"人"+" 租金：￥"+daDaRent\[input-1\].getRent());

// scanner.close();

package com.demo.dada;

public class Car \{

private int leftCount = 0;

private String name = null;

private int rent = 0;

public Car(int count,String name,int rent)\{

this.leftCount = count;

this.name = name;

this.rent = rent;

public int getCarCount()\{

return leftCount;