score counter

import lang.stride.*;
import java.util.*;
import greenfoot.*;

/**
 * 
 */
public class MyWorld extends World
{
    Counter counter = new Counter();
    /**
     * Constructor for objects of class MyWorld.
     */
    public MyWorld()
    {
        super(900, 600, 1);
        prepare();
        
    }
    public Counter GetCounter()
    {
        return counter;
    }
    
    /**
     * Prepare the world for the start of the program.
     * That is: create the initial objects and add them to the world.
     */
    private void prepare()
    {
        addObject(counter, 50, 50);
        Emoti1 emoti1 =  new  Emoti1();
        addObject(emoti1, 130, 114);
        Emoti2 emoti2 =  new  Emoti2();
        addObject(emoti2, 330, 115);
        Counter counter =  new  Counter();
        addObject(counter, 38, 49);
        counter.setLocation(345,47);

        counter.setLocation(135,46);
        removeObject(counter);
    }
}

import lang.stride.*;
import java.util.*;
import greenfoot.*;

/**
 * 
 */
public class Counter extends Actor
{

    /**
     * Act - do whatever the Counter wants to do. This method is called whenever the 'Act' or 'Run' button gets pressed in the environment.
     */
    int score = 0;
    
    public void act()
    {
        setImage(new GreenfootImage("Score :" + score, 20, Color.WHITE, Color.BLACK));
    }
    
    public void addScore()
    {
        score++;
    }
}