慕瓜7049329
2020-02-19 20:45
package com.imooc; import java.util.Arrays; import java.util.Scanner; public class RentSystem { //创建可租车辆清单 static final Car[] cars= { new Sedan("奥迪A4",500,4), new Sedan("马自达6",400,4), new PickUp("皮卡雪6",450,4,2), new Coach("金龙",800,20), new Truck("松花江",400,4), new Truck("依维柯",1000,20) }; static Scanner input=new Scanner(System.in); public static void main(String[] args) { // TODO Auto-generated method stub System.out.println("欢迎使用答答租车系统"); isNeeded(); //判断是否需要租车 displayList(); //显示可租车清单 int num=rentCarNum(); //获得租车数量 int[] nums=getCarList(num); //获得租车型号 System.out.println(Arrays.toString(nums)); //验证租车型号 int days=getRentDays(); //获得租车天数 payCheck(nums,days); } private static void isNeeded() { System.out.println("您是否要租车: 1是 0否"); int rentOrNot=2; while ((rentOrNot!=0)&&(rentOrNot!=1)) { rentOrNot=input.nextInt(); if (rentOrNot==0) { System.out.println("感谢使用,再见"); }else if (rentOrNot!=1) { System.out.println("输入有误,请重新输入"); }else if (rentOrNot==1) { break; } } } private static void displayList() { System.out.println("您可租车的型号和价目表:"); for (int i=0;i<cars.length;i++) { if (cars[i] instanceof Sedan) { Sedan car=(Sedan) cars[i]; System.out.println((i+1) +" " + car.name + " " + car.rent +"元/天 " +"载"+car.seat+"人"); }else if (cars[i] instanceof Truck) { Truck car=(Truck)cars[i]; System.out.println((i+1) +" " + car.name + " " + car.rent +"元/天 " +"载"+car.cargo+"吨货"); }else if (cars[i] instanceof PickUp) { PickUp car=(PickUp)cars[i]; System.out.println((i+1) +" " + car.name + " " + car.rent +"元/天 " +"载"+car.cargo+"吨货"+car.seat+"人"); }else if (cars[i] instanceof Coach) { Coach car=(Coach) cars[i]; System.out.println((i+1) +" " + car.name + " " + car.rent +"元/天 " +"载"+car.seat+"人"); } } } private static int rentCarNum() { System.out.println("请输入您要租车的数量"); int rentCarNum=input.nextInt(); return rentCarNum; } private static int getRentDays() { System.out.println("请输入您要租车的天数"); int rentDays=input.nextInt(); return rentDays; } private static int[] getCarList(int num) { int[] carList=new int[num]; int i=0; while (i<num) { System.out.println("请输入第"+(i+1)+"辆车的型号"); int model=input.nextInt(); if((model>cars.length)||(model<=0)) { System.out.println("输入错误,请重新输入"); }else { carList[i]=model; i++; } } return carList; } private static void payCheck(int[] nums,int days) { int sumRent=0; int sumSeat=0; int sumCargo=0; System.out.println("您选中了以下车辆:"); for (int i=0;i<nums.length;i++) { int a=nums[i]-1; if (cars[a] instanceof Sedan) { Sedan rentedCar=(Sedan) cars[a]; sumRent=sumRent+rentedCar.rent; sumSeat=sumSeat+rentedCar.seat; System.out.print(rentedCar.name+"\t"); }else if (cars[a] instanceof Truck) { Truck rentedCar=(Truck)cars[a]; sumRent=sumRent+rentedCar.rent; sumCargo=sumCargo+rentedCar.cargo; System.out.print(rentedCar.name+"\t"); }else if (cars[a] instanceof PickUp) { PickUp rentedCar=(PickUp)cars[a]; sumRent=sumRent+rentedCar.rent; sumCargo=sumCargo+rentedCar.cargo; System.out.print(rentedCar.name+"\t"); sumSeat=sumSeat+rentedCar.seat; }else if (cars[a] instanceof Coach) { Coach rentedCar=(Coach)cars[a]; sumRent=sumRent+rentedCar.rent; sumSeat=sumSeat+rentedCar.seat; System.out.print(rentedCar.name+"\t"); } } System.out.println("\n总金额:"+sumRent*days+"元"); System.out.println("总载人数:"+sumSeat+"人"); System.out.println("总载货量:"+sumCargo+"吨"); } }
可以哦
Java入门第二季 升级版
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