无限记录者
2019-09-10 16:41
package com.runoob.test; public class Cheku { String name; double price; double load; int manN; public Cheku(int xuhao) { switch (xuhao) { case 1: this.name="奥迪A6"; this.price=500; this.load=0; this.manN=4; break; case 2: this.name="马自达6"; this.price=400; this.load=0; this.manN=4; break; case 3: this.name="皮卡雪6"; this.price=450; this.load=2; this.manN=4; break; case 4: this.name="金龙"; this.price=800; this.load=0; this.manN=4; break; case 5: this.name="松花江"; this.price=400; this.load=4; this.manN=0; break; case 6: this.name="依维柯"; this.price=1000; this.load=20; this.manN=0; break; } } }
package com.runoob.test; import java.util.Scanner; import java.util.Arrays; public class Dada { public static void main(String[] args) { // TODO Auto-generated method stub System.out.println("欢迎使用答答租车系统:"); System.out.println("您是否要租车:1-是 0-否"); Scanner input=new Scanner(System.in); int ans=input.nextInt(); if(ans==1) { System.out.println("您可租车的类型及其价目表:"); System.out.println("1,奥迪A4500元/天载人:4人"); System.out.println("2,马自达6400元/天载人:4人"); System.out.println("3,皮卡雪6450元/天载人:4人 载货:2吨"); System.out.println("4,金龙800元/天载人:20人"); System.out.println("5,松花江400元/天载货:4吨"); System.out.println("6,依维柯1000元/天载货:20吨"); System.out.println("请输入要租的车辆数量"); int Ans=input.nextInt();//确定创建对象的次数 Cheku [] list=new Cheku[Ans];//这个对象数组用于保存创建好的对象 int loadSum=0;//货车的数量 int manSum=0;//客车的数量 double sumPrice=0;//保存累计的金额 //通过创建的对象 for(int i=0;i<Ans;i++) { System.out.println("请输入要购买的车辆对应序号"); int xuhao=input.nextInt(); list[i]=new Cheku(xuhao); if(list[i].load==0) { manSum++;//累计客车的数量 sumPrice+=list[i].price; } if(list[i].manN==0) { loadSum++;//累计货车的数量 sumPrice+=list[i].price; } if(list[i].load!=0&&list[i].manN!=0) { manSum++; loadSum++; sumPrice+=list[i].price; } } String loadListName[]=new String[loadSum];//通过货车数量建立货车数组 String manListName[]=new String[manSum];//通过客车数量建立客车数组 int man_sum=0;//用于保存累计的可载客人数 int load_sum=0;//用于保存累计的可载货重量 int j=0; int o=0; for(int i=0;i<list.length;i++) { if(list[i].load==0) { manListName[j]=list[i].name; man_sum+=list[i].manN; j++; } if(list[i].manN==0) { loadListName[o]=list[i].name; load_sum+=list[i].load; o++; } if(list[i].load!=0&&list[i].manN!=0) { manListName[j]=list[i].name; loadListName[o]=list[i].name; j++; o++; } } System.out.println("您的账单:"); System.out.println("您所订购的可载人的车辆:"+Arrays.deepToString(manListName)); System.out.println("共可载人"+man_sum+"人"); System.out.println("您所订购的可载货的车辆:"+Arrays.deepToString(loadListName)); System.out.println("共可载重"+load_sum+"吨"); System.out.println("您总共需要支付:"+sumPrice+"元"); } else { System.out.println("期待为您服务!"); } } }
package com.imooc;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Scanner;
public class Main {
public static HashMap<Integer,Car> carList = new HashMap<Integer,Car>();
public static void main(String[] args) {
if(login())
{
init();
System.out.println("您可租赁的车辆的类型和价目如下所示");
System.out.println("序号 汽车名称 租金 容量");
Iterator<Integer> it =carList.keySet().iterator();
while(it.hasNext())
{
int i = it.next();
System.out.print(i+".");
carList.get(i).show();
}
System.out.println("请输入租车的数量:");
Scanner in = new Scanner(System.in);
int sum=0;
for(int i=1 ,b=in.nextInt();i<=b;i++)
{
System.out.println("请输入第"+i+"辆车的序号:");
sum+=carList.get(in.nextInt()).price;
}
System.out.println("请输入租车的天数:");
System.out.println("您的账单为"+sum*in.nextInt());
in.close();
}
}
public static boolean login() {
System.out.println("欢迎使用哒哒租车系统:");
System.out.println("恁是否要租车:1yes 2no");
Scanner in = new Scanner(System.in);
while(true) {
int a = in.nextInt();
if(a==1)
{
return true;
}else if(a==0) {
return false;
}
else {
System.out.println("plz input the valid number!");
}
}
}
public static void init() {
carList.put(1, new WagenCar("奥迪A4", 500, 4));
carList.put(2, new WagenCar("马自达6", 400, 40));
carList.put(3, new PickUpCar("皮卡路6", 4500, 2, 4));
carList.put(4, new WagenCar("金龙", 800, 20));
carList.put(5, new CargoCar("松花江", 400, 4));
carList.put(6, new CargoCar("依维柯", 1000, 20));
}
}
这样写
别用switch,用hashMap放键值对<number,car>
Java入门第二季 升级版
530655 学习 · 6091 问题
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