小编Tom*_*iba的帖子

import java.applet.*;
import java.awt.*;
import java.awt.event.*;

public class Main extends Applet implements Runnable
{

    //2bufery
    Image dbImage;
    Graphics dbGraphics;

    boolean going = true;
    int x, y, xspeed, yspeed, radius;
    Thread th = new Thread();

    public void init()
    {
        x = getSize().width/2;
        y = getSize().height/2;
        xspeed = 2;
        yspeed = 2;
        radius = 8;
    }
    public void start()
    {
        th.start();
    }
    public void stop()
    {
        going = false;
    }
    public void destroy()
    {
        going = false;
    }
    public void run()
    { …

我正在将游戏编程为Java applet,而且我有两个不同的类具有相似的变量 - Pavement和Way.

我想创建一个包含两个类对象的Array.我必须更改示例x和y所有这些对象,所以我想创建一个Array.这可能吗？

我试过,ArrayList<Object> obj = new ArrayList<Object>();但如果我obj.add(0, theWay);找不到一种方法来读取变量.

我也试过System.out.print(obj.get(0));了rpg.way@2c61bbb7.