我自己设计的答答租车系统

package com.dadarentcarsys;
import java.util.Scanner;
public class mainProject {

    @SuppressWarnings({ "unused", "resource" })
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Car2 car1=new Car2("奥迪A4  ",500,4);
        Car2 car2=new Car2("马自达6 ",400,4);
        Car3 car3=new Car3("皮卡雪  ",450,2,4);
        Car2 car4=new Car2("金龙    ",800,20);
        Car1 car5=new Car1("松花江  ",400,2);
        Car1 car6=new Car1("依维柯  ",1000,20);
        System.out.println("欢迎使用答答租车系统：");
        Scanner input =new Scanner(System.in);
        int i;
        do{
            System.out.println("您是否要租车：1是，0否");
            i=input.nextInt();
            if(i==1){
                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租金\t  容量");
                System.out.println("1.\t"+car1.name+"\t"+car1.money+"元/天  "+"载人:"+car1.human+"人");
                System.out.println("2.\t"+car2.name+"\t"+car2.money+"元/天  "+"载人:"+car2.human+"人");
                System.out.println("3.\t"+car3.name+"\t"+car3.money+"元/天  "+"载人:"+car3.human+"人 "+"载重:"+car3.height+"吨");
                System.out.println("4.\t"+car4.name+"\t"+car4.money+"元/天  "+"载人:"+car4.human+"人");
                System.out.println("5.\t"+car5.name+"\t"+car5.money+"元/天  "+"载重:"+car5.height+"吨");
                System.out.println("6.\t"+car6.name+"\t"+car6.money+"元/天 "+"载重:"+car6.height+"吨");
                String name1[]=new String[10];
                String name2[]=new String[10];
                int [] days=new int[10];
                int [] money1=new int[10];
                int human1=0;
                int height1=0;
                int j;
                int sum=0;
                int k=0;
                do{
                    System.out.println("请输入要租车的车类序号：");
                    int quantity=input.nextInt();//租车的数量
                    System.out.println("请输入所租车的天数：");
                    days[k]=input.nextInt();//租车的天数
                    switch(quantity){
                    case 1:
                        name1[k]=car1.name;
                        money1[k] = car1.money;
                        human1 += car1.human;
                        break;
                    case 2:
                        name1[k]=car2.name;
                        money1[k]=car2.money;
                        human1+=car2.human;
                        break;
                    case 3:
                        name1[k]=car3.name;
                        money1[k]=car3.money;
                        human1+=car3.human;
                        height1+=car3.height;
                        break;
                    case 4:
                        name1[k]=car4.name;
                        money1[k]=car4.money;
                        human1+=car4.human;
                        break;
                    case 5:
                        name1[k]=car5.name;
                        money1[k]=car5.money;
                        height1+=car5.height;
                        break;
                    case 6:
                        name1[k]=car6.name;
                        money1[k]=car6.money;
                        height1+=car6.height;
                        break;
                    }
                    k++;
                    System.out.println("请问是否还继续租车：1是，0否");
                    j=input.nextInt();
                    while(j>1){
                            System.out.println("输入有误,请重新输入");
                            System.out.println("请问是否还继续租车：1是，0否");
                            j=input.nextInt();
                            }
                    if(j==0){
                        System.out.println("您的账单：");
                        for(int count=1;count<name1.length&&days[count-1]!=0;count++){
                            System.out.println(count+".\t"+name1[count-1]+"\t"+days[count-1]+"天  "+"\t价格:"+money1[count-1]*days[count-1]+"元");
                            sum+=money1[count-1]*days[count-1];
                        }
                        System.out.println("应付总价格为:"+sum+"元");
                    }
                }while(j==1);
            }
            else if(i>1){
                    System.out.println("输入有误,请重新输入");
                    }
            else {
                System.out.println("欢迎您再来！");
            }
        }while(i>1);
    }

}