以下是新手式代码写法，请勿参考。
新人刚开始接触JAVA希望能得到求各种达人的建议和意见。QAQ

![图片描述][1]//创建文字类
![图片描述][2]//填写文字类方法
![图片描述][3]//创建车的父类
![图片描述][4]//创建子类继承父的各种参数

输入代码
```import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.*; //导入输入源
public class test {
    int sum = 0;
    int age = 0;
    double avg = 0d
    int X = 0;
    int Y = 0;
    String A;
    String B = "";
    String C = "";
    String D = "";
    double Z = 0d;        ;//定义全局变量保存输出值

    public static void main(String args[]) throws Exception {

        test mi2 = new test();
        //把字符流添加到缓冲流
        BufferedReader x = new BufferedReader(new InputStreamReader(System.in));
        User mi = new Method();

//进入系统
        mi.system();
        String X = x.readLine();
        String x1 = "1";

        if (X.equals(x1)) {//如果不确认进入则退出
            mi.select();//显示价目表
        } else {
            mi.end();
            System.exit(0);//结束程序
        }
        mi.num();
        String Y = x.readLine();//输入租车数量

        int Y1 = Integer.parseInt(Y);//输入强转int类
        String num[] = new String[Y1];

        mi2.nums(num);

        mi.day();
        String D = x.readLine();//输入要租的天数
        int D1 = Integer.parseInt(D);
        int amount = 0;
        amount = mi2.sum * D1;

        mi.bill();
        mi.people();
        System.out.println(mi2.C + "  " + "载人量：" + mi2.age + "人");

        mi.cargo();
        System.out.println(mi2.D + "  " + "载货量:" + mi2.avg + "吨");
        mi.amount();
        System.out.println(amount + "元。");

    }

    public void nums(String num[]) throws Exception {
        BufferedReader x = new BufferedReader(new InputStreamReader(System.in));
        User mi = new Method();   //实例化各种车
        OneCar car1 = new OneCar();
        TwoCar car2 = new TwoCar();
        ThreeCar car3 = new ThreeCar();
        FourCar car4 = new FourCar();
        FiveCar car5 = new FiveCar();
        SixCar car6 = new SixCar();

        for (int i = 0; i