RockHound.java

import info.gridworld.actor.Actor;
import info.gridworld.actor.Critter;
import info.gridworld.actor.Flower;
import info.gridworld.actor.Rock;
import java.util.ArrayList;

public class RockHound extends Critter {
    
    @Override
    public void processActors(ArrayList<Actor> actors)
    {
        for (Actor a : actors)
        {
            if ((a instanceof Rock) || a instanceof Flower)
            //if ((a instanceof Rock))
                a.removeSelfFromGrid();
        }
    }
}