

import greenfoot.*; import java.awt.Color; public class Counter extends Actor { private int value; public Counter() { updateImage(); } private void updateImage() { setImage(new GreenfootImage(""+value, 20, Color.WHITE, Color.BLACK)); } public void bumpCount(int amount) { value += amount; updateImage(); } }
((Counter)getWorld().getObjects(Counter.class).get(0)).bumpCounter(5);
public int getValue() { return value; }