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;count1){
      System.out.println("输入有误,请重新输入");
      }
     else {
  System.out.println("欢迎您再来！");
     }
 }while(i>1);
    }

}