初学者：滴滴租车系统

package com.imooc;

public class Bus {
int id;
String name;
String money;
String cap;
public void bus(int id,String name,String money,String cap){

    this.id=id; this.name=name; this.money=money;   this.cap=cap;
    System.out.println(id+"\t"+name+"\t"+money+"\t"+cap);
}

}

package com.imooc;
import java.util.Scanner;
public class Test {

/**
 * @param args
 */
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\t0.否");
    while(true){
    Scanner x1=new Scanner(System.in);      
    int x=x1.nextInt();
    if(1==x){
        System.out.println("您可租车的类型及其价格表：");
        System.out.println("序号\t"+"汽车名称\t"+"租金\t"+"容量");
        Bus bus1=new Bus();
        Bus bus2=new Bus();         
        Bus bus3=new Bus();
        bus1.bus(1,"奥迪A4","500元/天","载人：4人");
        bus2.bus(2, "皮卡雪6", "450元/天","载人：4人  载货：2吨");
        bus3.bus(3, "松花江", "400元/天", "4吨");
        System.out.println("请输入你要租车的数量:");
        Scanner y1=new Scanner(System.in);
        int y=y1.nextInt();
        int[] q = new int[y];
        for(int i=0;i<q.length;i++){
            System.out.println("请输入第"+(i+1)+"辆车的序号:");
            Scanner q1=new Scanner(System.in);
            q[i]=q1.nextInt();
        }
        System.out.println("请输入租车天数:");
        Scanner z1=new Scanner(System.in);
        int z=z1.nextInt();
        System.out.println("您的账单如下:");
        int peoples=0;
        int goods=0; 
        int prices=0;
        for(int j=0;j<q.length;j++){
            if(1==q[j]){
                System.out.print("奥迪A4\t");
                peoples+=4;
                prices=z*500+prices;
                }
            else if(2==q[j]){
                System.out.print("皮卡雪6\t");
                peoples+=4; goods+=2;
                prices=z*450+prices;
                }
            else if(3==q[j]){
                System.out.print("松花江\t");      
                goods+=4;
                prices=z*400+prices;
                }       
        }

        System.out.println("\n共载人："+peoples+"人");
        System.out.println("共载货："+goods+"吨");
        System.out.println("租车总价格为："+prices+"元");
        System.out.println("欢迎使用答答租车系统，谢谢再见！");
    }
    else if(0==x)
        System.out.println("谢谢使用，再见！");
    else{
        System.out.println("输入错误！");
        System.out.println("请重新输入：");
        }
    }
}

}